21805646850

素因数分解:

$2^1\times 3^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{1242487}}^1$

素因数の和:1242521

約数の個数: 96

約数和(自身を含む): 64708775040

約数和(自身を除く): 42903128190

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 75, 78, 90, 117, 130, 135, 150, 195, 225, 234, 270, 325, 351, 390, 450, 585, 650, 675, 702, 975, 1170, 1350, 1755, 1950, 2925, 3510, 5850, 8775, 17550, 1242487, 2484974, 3727461, 6212435, 7454922, 11182383, 12424870, 16152331, 18637305, 22364766, 31062175, 32304662, 33547149, 37274610, 48456993, 55911915, 62124350, 67094298, 80761655, 93186525, 96913986, 111823830, 145370979, 161523310, 167735745, 186373050, 242284965, 279559575, 290741958, 335471490, 403808275, 436112937, 484569930, 559119150, 726854895, 807616550, 838678725, 872225874, 1211424825, 1453709790, 1677357450, 2180564685, 2422849650, 3634274475, 4361129370, 7268548950, 10902823425, 21805646850]

約数ペア:

[(1, 21805646850), (2, 10902823425), (3, 7268548950), (5, 4361129370), (6, 3634274475), (9, 2422849650), (10, 2180564685), (13, 1677357450), (15, 1453709790), (18, 1211424825), (25, 872225874), (26, 838678725), (27, 807616550), (30, 726854895), (39, 559119150), (45, 484569930), (50, 436112937), (54, 403808275), (65, 335471490), (75, 290741958), (78, 279559575), (90, 242284965), (117, 186373050), (130, 167735745), (135, 161523310), (150, 145370979), (195, 111823830), (225, 96913986), (234, 93186525), (270, 80761655), (325, 67094298), (351, 62124350), (390, 55911915), (450, 48456993), (585, 37274610), (650, 33547149), (675, 32304662), (702, 31062175), (975, 22364766), (1170, 18637305), (1350, 16152331), (1755, 12424870), (1950, 11182383), (2925, 7454922), (3510, 6212435), (5850, 3727461), (8775, 2484974), (17550, 1242487)]