21378834

素因数分解:

$2^1\times 3^2\times {\mathrm{197}}^1\times {\mathrm{6029}}^1$

素因数の和:6234

約数の個数: 24

約数和(自身を含む): 46563660

約数和(自身を除く): 25184826

約数列:

[1, 2, 3, 6, 9, 18, 197, 394, 591, 1182, 1773, 3546, 6029, 12058, 18087, 36174, 54261, 108522, 1187713, 2375426, 3563139, 7126278, 10689417, 21378834]

約数ペア:

[(1, 21378834), (2, 10689417), (3, 7126278), (6, 3563139), (9, 2375426), (18, 1187713), (197, 108522), (394, 54261), (591, 36174), (1182, 18087), (1773, 12058), (3546, 6029)]