21971534

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{4721}}^1$

素因数の和:4915

約数の個数: 16

約数和(自身を含む): 35698320

約数和(自身を除く): 13726786

約数列:

[1, 2, 13, 26, 179, 358, 2327, 4654, 4721, 9442, 61373, 122746, 845059, 1690118, 10985767, 21971534]

約数ペア:

[(1, 21971534), (2, 10985767), (13, 1690118), (26, 845059), (179, 122746), (358, 61373), (2327, 9442), (4654, 4721)]