21285328

素因数分解:

$2^4\times {\mathrm{773}}^1\times {\mathrm{1721}}^1$

素因数の和:2502

約数の個数: 20

約数和(自身を含む): 41317668

約数和(自身を除く): 20032340

約数列:

[1, 2, 4, 8, 16, 773, 1546, 1721, 3092, 3442, 6184, 6884, 12368, 13768, 27536, 1330333, 2660666, 5321332, 10642664, 21285328]

約数ペア:

[(1, 21285328), (2, 10642664), (4, 5321332), (8, 2660666), (16, 1330333), (773, 27536), (1546, 13768), (1721, 12368), (3092, 6884), (3442, 6184)]