21003262

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{1801}}^1$

素因数の和:1841

約数の個数: 32

約数和(自身を含む): 38923200

約数和(自身を除く): 17919938

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 1801, 3602, 5831, 11662, 12607, 25214, 30617, 61234, 88249, 176498, 214319, 428638, 617743, 1235486, 1500233, 3000466, 10501631, 21003262]

約数ペア:

[(1, 21003262), (2, 10501631), (7, 3000466), (14, 1500233), (17, 1235486), (34, 617743), (49, 428638), (98, 214319), (119, 176498), (238, 88249), (343, 61234), (686, 30617), (833, 25214), (1666, 12607), (1801, 11662), (3602, 5831)]