21715616

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{52201}}^1$

素因数の和:52224

約数の個数: 24

約数和(自身を含む): 46042164

約数和(自身を除く): 24326548

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 52201, 104402, 208804, 417608, 678613, 835216, 1357226, 1670432, 2714452, 5428904, 10857808, 21715616]

約数ペア:

[(1, 21715616), (2, 10857808), (4, 5428904), (8, 2714452), (13, 1670432), (16, 1357226), (26, 835216), (32, 678613), (52, 417608), (104, 208804), (208, 104402), (416, 52201)]