21086948240

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{419057}}^1$

素因数の和:419124

約数の個数: 80

約数和(自身を含む): 53314234992

約数和(自身を除く): 32227286752

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 37, 40, 68, 74, 80, 85, 136, 148, 170, 185, 272, 296, 340, 370, 592, 629, 680, 740, 1258, 1360, 1480, 2516, 2960, 3145, 5032, 6290, 10064, 12580, 25160, 50320, 419057, 838114, 1676228, 2095285, 3352456, 4190570, 6704912, 7123969, 8381140, 14247938, 15505109, 16762280, 28495876, 31010218, 33524560, 35619845, 56991752, 62020436, 71239690, 77525545, 113983504, 124040872, 142479380, 155051090, 248081744, 263586853, 284958760, 310102180, 527173706, 569917520, 620204360, 1054347412, 1240408720, 1317934265, 2108694824, 2635868530, 4217389648, 5271737060, 10543474120, 21086948240]

約数ペア:

[(1, 21086948240), (2, 10543474120), (4, 5271737060), (5, 4217389648), (8, 2635868530), (10, 2108694824), (16, 1317934265), (17, 1240408720), (20, 1054347412), (34, 620204360), (37, 569917520), (40, 527173706), (68, 310102180), (74, 284958760), (80, 263586853), (85, 248081744), (136, 155051090), (148, 142479380), (170, 124040872), (185, 113983504), (272, 77525545), (296, 71239690), (340, 62020436), (370, 56991752), (592, 35619845), (629, 33524560), (680, 31010218), (740, 28495876), (1258, 16762280), (1360, 15505109), (1480, 14247938), (2516, 8381140), (2960, 7123969), (3145, 6704912), (5032, 4190570), (6290, 3352456), (10064, 2095285), (12580, 1676228), (25160, 838114), (50320, 419057)]