21543530

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{1597}}^1$

素因数の和:1694

約数の個数: 32

約数和(自身を含む): 41420160

約数和(自身を除く): 19876630

約数列:

[1, 2, 5, 10, 19, 38, 71, 95, 142, 190, 355, 710, 1349, 1597, 2698, 3194, 6745, 7985, 13490, 15970, 30343, 60686, 113387, 151715, 226774, 303430, 566935, 1133870, 2154353, 4308706, 10771765, 21543530]

約数ペア:

[(1, 21543530), (2, 10771765), (5, 4308706), (10, 2154353), (19, 1133870), (38, 566935), (71, 303430), (95, 226774), (142, 151715), (190, 113387), (355, 60686), (710, 30343), (1349, 15970), (1597, 13490), (2698, 7985), (3194, 6745)]