21712468

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{3847}}^1$

素因数の和:3951

約数の個数: 24

約数和(自身を含む): 40727232

約数和(自身を除く): 19014764

約数列:

[1, 2, 4, 17, 34, 68, 83, 166, 332, 1411, 2822, 3847, 5644, 7694, 15388, 65399, 130798, 261596, 319301, 638602, 1277204, 5428117, 10856234, 21712468]

約数ペア:

[(1, 21712468), (2, 10856234), (4, 5428117), (17, 1277204), (34, 638602), (68, 319301), (83, 261596), (166, 130798), (332, 65399), (1411, 15388), (2822, 7694), (3847, 5644)]