21890250

素因数分解:

$2^1\times 3^4\times 5^3\times {\mathrm{23}}^1\times {\mathrm{47}}^1$

素因数の和:99

約数の個数: 160

約数和(自身を含む): 65235456

約数和(自身を除く): 43345206

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 23, 25, 27, 30, 45, 46, 47, 50, 54, 69, 75, 81, 90, 94, 115, 125, 135, 138, 141, 150, 162, 207, 225, 230, 235, 250, 270, 282, 345, 375, 405, 414, 423, 450, 470, 575, 621, 675, 690, 705, 750, 810, 846, 1035, 1081, 1125, 1150, 1175, 1242, 1269, 1350, 1410, 1725, 1863, 2025, 2070, 2115, 2162, 2250, 2350, 2538, 2875, 3105, 3243, 3375, 3450, 3525, 3726, 3807, 4050, 4230, 5175, 5405, 5750, 5875, 6210, 6345, 6486, 6750, 7050, 7614, 8625, 9315, 9729, 10125, 10350, 10575, 10810, 11750, 12690, 15525, 16215, 17250, 17625, 18630, 19035, 19458, 20250, 21150, 25875, 27025, 29187, 31050, 31725, 32430, 35250, 38070, 46575, 48645, 51750, 52875, 54050, 58374, 63450, 77625, 81075, 87561, 93150, 95175, 97290, 105750, 135125, 145935, 155250, 158625, 162150, 175122, 190350, 232875, 243225, 270250, 291870, 317250, 405375, 437805, 465750, 475875, 486450, 729675, 810750, 875610, 951750, 1216125, 1459350, 2189025, 2432250, 3648375, 4378050, 7296750, 10945125, 21890250]

約数ペア:

[(1, 21890250), (2, 10945125), (3, 7296750), (5, 4378050), (6, 3648375), (9, 2432250), (10, 2189025), (15, 1459350), (18, 1216125), (23, 951750), (25, 875610), (27, 810750), (30, 729675), (45, 486450), (46, 475875), (47, 465750), (50, 437805), (54, 405375), (69, 317250), (75, 291870), (81, 270250), (90, 243225), (94, 232875), (115, 190350), (125, 175122), (135, 162150), (138, 158625), (141, 155250), (150, 145935), (162, 135125), (207, 105750), (225, 97290), (230, 95175), (235, 93150), (250, 87561), (270, 81075), (282, 77625), (345, 63450), (375, 58374), (405, 54050), (414, 52875), (423, 51750), (450, 48645), (470, 46575), (575, 38070), (621, 35250), (675, 32430), (690, 31725), (705, 31050), (750, 29187), (810, 27025), (846, 25875), (1035, 21150), (1081, 20250), (1125, 19458), (1150, 19035), (1175, 18630), (1242, 17625), (1269, 17250), (1350, 16215), (1410, 15525), (1725, 12690), (1863, 11750), (2025, 10810), (2070, 10575), (2115, 10350), (2162, 10125), (2250, 9729), (2350, 9315), (2538, 8625), (2875, 7614), (3105, 7050), (3243, 6750), (3375, 6486), (3450, 6345), (3525, 6210), (3726, 5875), (3807, 5750), (4050, 5405), (4230, 5175)]