21738836

素因数分解:

$2^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{7687}}^1$

素因数の和:7799

約数の個数: 24

約数和(自身を含む): 43913856

約数和(自身を除く): 22175020

約数列:

[1, 2, 4, 7, 14, 28, 101, 202, 404, 707, 1414, 2828, 7687, 15374, 30748, 53809, 107618, 215236, 776387, 1552774, 3105548, 5434709, 10869418, 21738836]

約数ペア:

[(1, 21738836), (2, 10869418), (4, 5434709), (7, 3105548), (14, 1552774), (28, 776387), (101, 215236), (202, 107618), (404, 53809), (707, 30748), (1414, 15374), (2828, 7687)]