21195754

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{947}}^1$

素因数の和:1018

約数の個数: 24

約数和(自身を含む): 34674048

約数和(自身を除く): 13478294

約数列:

[1, 2, 19, 31, 38, 62, 361, 589, 722, 947, 1178, 1894, 11191, 17993, 22382, 29357, 35986, 58714, 341867, 557783, 683734, 1115566, 10597877, 21195754]

約数ペア:

[(1, 21195754), (2, 10597877), (19, 1115566), (31, 683734), (38, 557783), (62, 341867), (361, 58714), (589, 35986), (722, 29357), (947, 22382), (1178, 17993), (1894, 11191)]