21904740

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1$

素因数の和:99

約数の個数: 288

約数和(自身を含む): 83655936

約数和(自身を除く): 61751196

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 11, 12, 13, 15, 18, 20, 22, 23, 26, 30, 33, 36, 37, 39, 44, 45, 46, 52, 55, 60, 65, 66, 69, 74, 78, 90, 92, 99, 110, 111, 115, 117, 130, 132, 138, 143, 148, 156, 165, 180, 185, 195, 198, 207, 220, 222, 230, 234, 253, 260, 276, 286, 299, 330, 333, 345, 370, 390, 396, 407, 414, 429, 444, 460, 468, 481, 495, 506, 555, 572, 585, 598, 660, 666, 690, 715, 740, 759, 780, 814, 828, 851, 858, 897, 962, 990, 1012, 1035, 1110, 1170, 1196, 1221, 1265, 1287, 1332, 1380, 1430, 1443, 1495, 1518, 1628, 1665, 1702, 1716, 1794, 1924, 1980, 2035, 2070, 2145, 2220, 2277, 2340, 2405, 2442, 2530, 2553, 2574, 2691, 2860, 2886, 2990, 3036, 3289, 3330, 3404, 3588, 3663, 3795, 4070, 4140, 4255, 4290, 4329, 4485, 4554, 4810, 4884, 5060, 5106, 5148, 5291, 5382, 5772, 5980, 6105, 6435, 6578, 6660, 7215, 7326, 7590, 7659, 8140, 8510, 8580, 8658, 8970, 9108, 9361, 9620, 9867, 10212, 10582, 10764, 11063, 11385, 12210, 12765, 12870, 13156, 13455, 14430, 14652, 15180, 15318, 15873, 16445, 17020, 17316, 17940, 18315, 18722, 19734, 21164, 21645, 22126, 22770, 24420, 25530, 25740, 26455, 26910, 28083, 28860, 29601, 30636, 31746, 32890, 33189, 36630, 37444, 38295, 39468, 43290, 44252, 45540, 46805, 47619, 49335, 51060, 52910, 53820, 55315, 56166, 59202, 63492, 65780, 66378, 73260, 76590, 79365, 84249, 86580, 93610, 95238, 98670, 99567, 105820, 110630, 112332, 118404, 121693, 132756, 140415, 148005, 153180, 158730, 165945, 168498, 187220, 190476, 197340, 199134, 221260, 238095, 243386, 280830, 296010, 317460, 331890, 336996, 365079, 398268, 421245, 476190, 486772, 497835, 561660, 592020, 608465, 663780, 730158, 842490, 952380, 995670, 1095237, 1216930, 1460316, 1684980, 1825395, 1991340, 2190474, 2433860, 3650790, 4380948, 5476185, 7301580, 10952370, 21904740]

約数ペア:

[(1, 21904740), (2, 10952370), (3, 7301580), (4, 5476185), (5, 4380948), (6, 3650790), (9, 2433860), (10, 2190474), (11, 1991340), (12, 1825395), (13, 1684980), (15, 1460316), (18, 1216930), (20, 1095237), (22, 995670), (23, 952380), (26, 842490), (30, 730158), (33, 663780), (36, 608465), (37, 592020), (39, 561660), (44, 497835), (45, 486772), (46, 476190), (52, 421245), (55, 398268), (60, 365079), (65, 336996), (66, 331890), (69, 317460), (74, 296010), (78, 280830), (90, 243386), (92, 238095), (99, 221260), (110, 199134), (111, 197340), (115, 190476), (117, 187220), (130, 168498), (132, 165945), (138, 158730), (143, 153180), (148, 148005), (156, 140415), (165, 132756), (180, 121693), (185, 118404), (195, 112332), (198, 110630), (207, 105820), (220, 99567), (222, 98670), (230, 95238), (234, 93610), (253, 86580), (260, 84249), (276, 79365), (286, 76590), (299, 73260), (330, 66378), (333, 65780), (345, 63492), (370, 59202), (390, 56166), (396, 55315), (407, 53820), (414, 52910), (429, 51060), (444, 49335), (460, 47619), (468, 46805), (481, 45540), (495, 44252), (506, 43290), (555, 39468), (572, 38295), (585, 37444), (598, 36630), (660, 33189), (666, 32890), (690, 31746), (715, 30636), (740, 29601), (759, 28860), (780, 28083), (814, 26910), (828, 26455), (851, 25740), (858, 25530), (897, 24420), (962, 22770), (990, 22126), (1012, 21645), (1035, 21164), (1110, 19734), (1170, 18722), (1196, 18315), (1221, 17940), (1265, 17316), (1287, 17020), (1332, 16445), (1380, 15873), (1430, 15318), (1443, 15180), (1495, 14652), (1518, 14430), (1628, 13455), (1665, 13156), (1702, 12870), (1716, 12765), (1794, 12210), (1924, 11385), (1980, 11063), (2035, 10764), (2070, 10582), (2145, 10212), (2220, 9867), (2277, 9620), (2340, 9361), (2405, 9108), (2442, 8970), (2530, 8658), (2553, 8580), (2574, 8510), (2691, 8140), (2860, 7659), (2886, 7590), (2990, 7326), (3036, 7215), (3289, 6660), (3330, 6578), (3404, 6435), (3588, 6105), (3663, 5980), (3795, 5772), (4070, 5382), (4140, 5291), (4255, 5148), (4290, 5106), (4329, 5060), (4485, 4884), (4554, 4810)]