21511094

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{22739}}^1$

素因数の和:22795

約数の個数: 16

約数和(自身を含む): 36020160

約数和(自身を除く): 14509066

約数列:

[1, 2, 11, 22, 43, 86, 473, 946, 22739, 45478, 250129, 500258, 977777, 1955554, 10755547, 21511094]

約数ペア:

[(1, 21511094), (2, 10755547), (11, 1955554), (22, 977777), (43, 500258), (86, 250129), (473, 45478), (946, 22739)]