21682440

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{113}}^1$

素因数の和:184

約数の個数: 192

約数和(自身を含む): 78427440

約数和(自身を除く): 56745000

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 13, 15, 18, 20, 24, 26, 30, 36, 39, 40, 41, 45, 52, 60, 65, 72, 78, 82, 90, 104, 113, 117, 120, 123, 130, 156, 164, 180, 195, 205, 226, 234, 246, 260, 312, 328, 339, 360, 369, 390, 410, 452, 468, 492, 520, 533, 565, 585, 615, 678, 738, 780, 820, 904, 936, 984, 1017, 1066, 1130, 1170, 1230, 1356, 1469, 1476, 1560, 1599, 1640, 1695, 1845, 2034, 2132, 2260, 2340, 2460, 2665, 2712, 2938, 2952, 3198, 3390, 3690, 4068, 4264, 4407, 4520, 4633, 4680, 4797, 4920, 5085, 5330, 5876, 6396, 6780, 7345, 7380, 7995, 8136, 8814, 9266, 9594, 10170, 10660, 11752, 12792, 13221, 13560, 13899, 14690, 14760, 15990, 17628, 18532, 19188, 20340, 21320, 22035, 23165, 23985, 26442, 27798, 29380, 31980, 35256, 37064, 38376, 40680, 41697, 44070, 46330, 47970, 52884, 55596, 58760, 60229, 63960, 66105, 69495, 83394, 88140, 92660, 95940, 105768, 111192, 120458, 132210, 138990, 166788, 176280, 180687, 185320, 191880, 208485, 240916, 264420, 277980, 301145, 333576, 361374, 416970, 481832, 528840, 542061, 555960, 602290, 722748, 833940, 903435, 1084122, 1204580, 1445496, 1667880, 1806870, 2168244, 2409160, 2710305, 3613740, 4336488, 5420610, 7227480, 10841220, 21682440]

約数ペア:

[(1, 21682440), (2, 10841220), (3, 7227480), (4, 5420610), (5, 4336488), (6, 3613740), (8, 2710305), (9, 2409160), (10, 2168244), (12, 1806870), (13, 1667880), (15, 1445496), (18, 1204580), (20, 1084122), (24, 903435), (26, 833940), (30, 722748), (36, 602290), (39, 555960), (40, 542061), (41, 528840), (45, 481832), (52, 416970), (60, 361374), (65, 333576), (72, 301145), (78, 277980), (82, 264420), (90, 240916), (104, 208485), (113, 191880), (117, 185320), (120, 180687), (123, 176280), (130, 166788), (156, 138990), (164, 132210), (180, 120458), (195, 111192), (205, 105768), (226, 95940), (234, 92660), (246, 88140), (260, 83394), (312, 69495), (328, 66105), (339, 63960), (360, 60229), (369, 58760), (390, 55596), (410, 52884), (452, 47970), (468, 46330), (492, 44070), (520, 41697), (533, 40680), (565, 38376), (585, 37064), (615, 35256), (678, 31980), (738, 29380), (780, 27798), (820, 26442), (904, 23985), (936, 23165), (984, 22035), (1017, 21320), (1066, 20340), (1130, 19188), (1170, 18532), (1230, 17628), (1356, 15990), (1469, 14760), (1476, 14690), (1560, 13899), (1599, 13560), (1640, 13221), (1695, 12792), (1845, 11752), (2034, 10660), (2132, 10170), (2260, 9594), (2340, 9266), (2460, 8814), (2665, 8136), (2712, 7995), (2938, 7380), (2952, 7345), (3198, 6780), (3390, 6396), (3690, 5876), (4068, 5330), (4264, 5085), (4407, 4920), (4520, 4797), (4633, 4680)]