21543578

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{1129}}^1$

素因数の和:1214

約数の個数: 32

約数和(自身を含む): 39052800

約数和(自身を除く): 17509222

約数列:

[1, 2, 7, 14, 29, 47, 58, 94, 203, 329, 406, 658, 1129, 1363, 2258, 2726, 7903, 9541, 15806, 19082, 32741, 53063, 65482, 106126, 229187, 371441, 458374, 742882, 1538827, 3077654, 10771789, 21543578]

約数ペア:

[(1, 21543578), (2, 10771789), (7, 3077654), (14, 1538827), (29, 742882), (47, 458374), (58, 371441), (94, 229187), (203, 106126), (329, 65482), (406, 53063), (658, 32741), (1129, 19082), (1363, 15806), (2258, 9541), (2726, 7903)]