21557029680

素因数分解:

$2^4\times 3^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{631}}^1\times {\mathrm{2063}}^1$

素因数の和:2736

約数の個数: 240

約数和(自身を含む): 75699726336

約数和(自身を除く): 54142696656

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 23, 24, 30, 36, 40, 45, 46, 48, 60, 69, 72, 80, 90, 92, 115, 120, 138, 144, 180, 184, 207, 230, 240, 276, 345, 360, 368, 414, 460, 552, 631, 690, 720, 828, 920, 1035, 1104, 1262, 1380, 1656, 1840, 1893, 2063, 2070, 2524, 2760, 3155, 3312, 3786, 4126, 4140, 5048, 5520, 5679, 6189, 6310, 7572, 8252, 8280, 9465, 10096, 10315, 11358, 12378, 12620, 14513, 15144, 16504, 16560, 18567, 18930, 20630, 22716, 24756, 25240, 28395, 29026, 30288, 30945, 33008, 37134, 37860, 41260, 43539, 45432, 47449, 49512, 50480, 56790, 58052, 61890, 72565, 74268, 75720, 82520, 87078, 90864, 92835, 94898, 99024, 113580, 116104, 123780, 130617, 142347, 145130, 148536, 151440, 165040, 174156, 185670, 189796, 217695, 227160, 232208, 237245, 247560, 261234, 284694, 290260, 297072, 348312, 371340, 379592, 427041, 435390, 454320, 474490, 495120, 522468, 569388, 580520, 653085, 696624, 711735, 742680, 759184, 854082, 870780, 948980, 1044936, 1138776, 1161040, 1301753, 1306170, 1423470, 1485360, 1708164, 1741560, 1897960, 2089872, 2135205, 2277552, 2603506, 2612340, 2846940, 3416328, 3483120, 3795920, 3905259, 4270410, 5207012, 5224680, 5693880, 6508765, 6832656, 7810518, 8540820, 10414024, 10449360, 11387760, 11715777, 13017530, 15621036, 17081640, 19526295, 20828048, 23431554, 26035060, 29940319, 31242072, 34163280, 39052590, 46863108, 52070120, 58578885, 59880638, 62484144, 78105180, 89820957, 93726216, 104140240, 117157770, 119761276, 149701595, 156210360, 179641914, 187452432, 234315540, 239522552, 269462871, 299403190, 312420720, 359283828, 449104785, 468631080, 479045104, 538925742, 598806380, 718567656, 898209570, 937262160, 1077851484, 1197612760, 1347314355, 1437135312, 1796419140, 2155702968, 2395225520, 2694628710, 3592838280, 4311405936, 5389257420, 7185676560, 10778514840, 21557029680]

約数ペア:

[(1, 21557029680), (2, 10778514840), (3, 7185676560), (4, 5389257420), (5, 4311405936), (6, 3592838280), (8, 2694628710), (9, 2395225520), (10, 2155702968), (12, 1796419140), (15, 1437135312), (16, 1347314355), (18, 1197612760), (20, 1077851484), (23, 937262160), (24, 898209570), (30, 718567656), (36, 598806380), (40, 538925742), (45, 479045104), (46, 468631080), (48, 449104785), (60, 359283828), (69, 312420720), (72, 299403190), (80, 269462871), (90, 239522552), (92, 234315540), (115, 187452432), (120, 179641914), (138, 156210360), (144, 149701595), (180, 119761276), (184, 117157770), (207, 104140240), (230, 93726216), (240, 89820957), (276, 78105180), (345, 62484144), (360, 59880638), (368, 58578885), (414, 52070120), (460, 46863108), (552, 39052590), (631, 34163280), (690, 31242072), (720, 29940319), (828, 26035060), (920, 23431554), (1035, 20828048), (1104, 19526295), (1262, 17081640), (1380, 15621036), (1656, 13017530), (1840, 11715777), (1893, 11387760), (2063, 10449360), (2070, 10414024), (2524, 8540820), (2760, 7810518), (3155, 6832656), (3312, 6508765), (3786, 5693880), (4126, 5224680), (4140, 5207012), (5048, 4270410), (5520, 3905259), (5679, 3795920), (6189, 3483120), (6310, 3416328), (7572, 2846940), (8252, 2612340), (8280, 2603506), (9465, 2277552), (10096, 2135205), (10315, 2089872), (11358, 1897960), (12378, 1741560), (12620, 1708164), (14513, 1485360), (15144, 1423470), (16504, 1306170), (16560, 1301753), (18567, 1161040), (18930, 1138776), (20630, 1044936), (22716, 948980), (24756, 870780), (25240, 854082), (28395, 759184), (29026, 742680), (30288, 711735), (30945, 696624), (33008, 653085), (37134, 580520), (37860, 569388), (41260, 522468), (43539, 495120), (45432, 474490), (47449, 454320), (49512, 435390), (50480, 427041), (56790, 379592), (58052, 371340), (61890, 348312), (72565, 297072), (74268, 290260), (75720, 284694), (82520, 261234), (87078, 247560), (90864, 237245), (92835, 232208), (94898, 227160), (99024, 217695), (113580, 189796), (116104, 185670), (123780, 174156), (130617, 165040), (142347, 151440), (145130, 148536)]