21507754

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{347}}^1\times {\mathrm{1823}}^1$

素因数の和:2189

約数の個数: 16

約数和(自身を含む): 34276608

約数和(自身を除く): 12768854

約数列:

[1, 2, 17, 34, 347, 694, 1823, 3646, 5899, 11798, 30991, 61982, 632581, 1265162, 10753877, 21507754]

約数ペア:

[(1, 21507754), (2, 10753877), (17, 1265162), (34, 632581), (347, 61982), (694, 30991), (1823, 11798), (3646, 5899)]