21885918

素因数分解:

$2^1\times 3^1\times {\mathrm{389}}^1\times {\mathrm{9377}}^1$

素因数の和:9771

約数の個数: 16

約数和(自身を含む): 43889040

約数和(自身を除く): 22003122

約数列:

[1, 2, 3, 6, 389, 778, 1167, 2334, 9377, 18754, 28131, 56262, 3647653, 7295306, 10942959, 21885918]

約数ペア:

[(1, 21885918), (2, 10942959), (3, 7295306), (6, 3647653), (389, 56262), (778, 28131), (1167, 18754), (2334, 9377)]