21031402

素因数分解:

$2^1\times 7^1\times {\mathrm{701}}^1\times {\mathrm{2143}}^1$

素因数の和:2853

約数の個数: 16

約数和(自身を含む): 36122112

約数和(自身を除く): 15090710

約数列:

[1, 2, 7, 14, 701, 1402, 2143, 4286, 4907, 9814, 15001, 30002, 1502243, 3004486, 10515701, 21031402]

約数ペア:

[(1, 21031402), (2, 10515701), (7, 3004486), (14, 1502243), (701, 30002), (1402, 15001), (2143, 9814), (4286, 4907)]