21477806

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{52901}}^1$

素因数の和:52939

約数の個数: 16

約数和(自身を含む): 38089440

約数和(自身を除く): 16611634

約数列:

[1, 2, 7, 14, 29, 58, 203, 406, 52901, 105802, 370307, 740614, 1534129, 3068258, 10738903, 21477806]

約数ペア:

[(1, 21477806), (2, 10738903), (7, 3068258), (14, 1534129), (29, 740614), (58, 370307), (203, 105802), (406, 52901)]