21318044

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{6637}}^1$

素因数の和:6725

約数の個数: 24

約数和(自身を含む): 41261808

約数和(自身を除く): 19943764

約数列:

[1, 2, 4, 11, 22, 44, 73, 146, 292, 803, 1606, 3212, 6637, 13274, 26548, 73007, 146014, 292028, 484501, 969002, 1938004, 5329511, 10659022, 21318044]

約数ペア:

[(1, 21318044), (2, 10659022), (4, 5329511), (11, 1938004), (22, 969002), (44, 484501), (73, 292028), (146, 146014), (292, 73007), (803, 26548), (1606, 13274), (3212, 6637)]