21057586

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{50377}}^1$

素因数の和:50409

約数の個数: 16

約数和(自身を含む): 36272160

約数和(自身を除く): 15214574

約数列:

[1, 2, 11, 19, 22, 38, 209, 418, 50377, 100754, 554147, 957163, 1108294, 1914326, 10528793, 21057586]

約数ペア:

[(1, 21057586), (2, 10528793), (11, 1914326), (19, 1108294), (22, 957163), (38, 554147), (209, 100754), (418, 50377)]