21416888

素因数分解:

$2^3\times {\mathrm{811}}^1\times {\mathrm{3301}}^1$

素因数の和:4118

約数の個数: 16

約数和(自身を含む): 40218360

約数和(自身を除く): 18801472

約数列:

[1, 2, 4, 8, 811, 1622, 3244, 3301, 6488, 6602, 13204, 26408, 2677111, 5354222, 10708444, 21416888]

約数ペア:

[(1, 21416888), (2, 10708444), (4, 5354222), (8, 2677111), (811, 26408), (1622, 13204), (3244, 6602), (3301, 6488)]