21267948

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136333}}^1$

素因数の和:136353

約数の個数: 24

約数和(自身を含む): 53442928

約数和(自身を除く): 32174980

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136333, 272666, 408999, 545332, 817998, 1635996, 1772329, 3544658, 5316987, 7089316, 10633974, 21267948]

約数ペア:

[(1, 21267948), (2, 10633974), (3, 7089316), (4, 5316987), (6, 3544658), (12, 1772329), (13, 1635996), (26, 817998), (39, 545332), (52, 408999), (78, 272666), (156, 136333)]