21967400

素因数分解:

$2^3\times 5^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{71}}^1$

素因数の和:124

約数の個数: 192

約数和(自身を含む): 67495680

約数和(自身を除く): 45528280

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 17, 20, 25, 26, 28, 34, 35, 40, 50, 52, 56, 65, 68, 70, 71, 85, 91, 100, 104, 119, 130, 136, 140, 142, 170, 175, 182, 200, 221, 238, 260, 280, 284, 325, 340, 350, 355, 364, 425, 442, 455, 476, 497, 520, 568, 595, 650, 680, 700, 710, 728, 850, 884, 910, 923, 952, 994, 1105, 1190, 1207, 1300, 1400, 1420, 1547, 1700, 1768, 1775, 1820, 1846, 1988, 2210, 2275, 2380, 2414, 2485, 2600, 2840, 2975, 3094, 3400, 3550, 3640, 3692, 3976, 4420, 4550, 4615, 4760, 4828, 4970, 5525, 5950, 6035, 6188, 6461, 7100, 7384, 7735, 8449, 8840, 9100, 9230, 9656, 9940, 11050, 11900, 12070, 12376, 12425, 12922, 14200, 15470, 15691, 16898, 18200, 18460, 19880, 22100, 23075, 23800, 24140, 24850, 25844, 30175, 30940, 31382, 32305, 33796, 36920, 38675, 42245, 44200, 46150, 48280, 49700, 51688, 60350, 61880, 62764, 64610, 67592, 77350, 78455, 84490, 92300, 99400, 109837, 120700, 125528, 129220, 154700, 156910, 161525, 168980, 184600, 211225, 219674, 241400, 258440, 309400, 313820, 323050, 337960, 392275, 422450, 439348, 549185, 627640, 646100, 784550, 844900, 878696, 1098370, 1292200, 1569100, 1689800, 2196740, 2745925, 3138200, 4393480, 5491850, 10983700, 21967400]

約数ペア:

[(1, 21967400), (2, 10983700), (4, 5491850), (5, 4393480), (7, 3138200), (8, 2745925), (10, 2196740), (13, 1689800), (14, 1569100), (17, 1292200), (20, 1098370), (25, 878696), (26, 844900), (28, 784550), (34, 646100), (35, 627640), (40, 549185), (50, 439348), (52, 422450), (56, 392275), (65, 337960), (68, 323050), (70, 313820), (71, 309400), (85, 258440), (91, 241400), (100, 219674), (104, 211225), (119, 184600), (130, 168980), (136, 161525), (140, 156910), (142, 154700), (170, 129220), (175, 125528), (182, 120700), (200, 109837), (221, 99400), (238, 92300), (260, 84490), (280, 78455), (284, 77350), (325, 67592), (340, 64610), (350, 62764), (355, 61880), (364, 60350), (425, 51688), (442, 49700), (455, 48280), (476, 46150), (497, 44200), (520, 42245), (568, 38675), (595, 36920), (650, 33796), (680, 32305), (700, 31382), (710, 30940), (728, 30175), (850, 25844), (884, 24850), (910, 24140), (923, 23800), (952, 23075), (994, 22100), (1105, 19880), (1190, 18460), (1207, 18200), (1300, 16898), (1400, 15691), (1420, 15470), (1547, 14200), (1700, 12922), (1768, 12425), (1775, 12376), (1820, 12070), (1846, 11900), (1988, 11050), (2210, 9940), (2275, 9656), (2380, 9230), (2414, 9100), (2485, 8840), (2600, 8449), (2840, 7735), (2975, 7384), (3094, 7100), (3400, 6461), (3550, 6188), (3640, 6035), (3692, 5950), (3976, 5525), (4420, 4970), (4550, 4828), (4615, 4760)]