21753862

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{20407}}^1$

素因数の和:20463

約数の個数: 16

約数和(自身を含む): 35999712

約数和(自身を除く): 14245850

約数列:

[1, 2, 13, 26, 41, 82, 533, 1066, 20407, 40814, 265291, 530582, 836687, 1673374, 10876931, 21753862]

約数ペア:

[(1, 21753862), (2, 10876931), (13, 1673374), (26, 836687), (41, 530582), (82, 265291), (533, 40814), (1066, 20407)]