21761262

素因数分解:

$2^1\times 3^2\times {\mathrm{61}}^1\times {\mathrm{19819}}^1$

素因数の和:19888

約数の個数: 24

約数和(自身を含む): 47924760

約数和(自身を除く): 26163498

約数列:

[1, 2, 3, 6, 9, 18, 61, 122, 183, 366, 549, 1098, 19819, 39638, 59457, 118914, 178371, 356742, 1208959, 2417918, 3626877, 7253754, 10880631, 21761262]

約数ペア:

[(1, 21761262), (2, 10880631), (3, 7253754), (6, 3626877), (9, 2417918), (18, 1208959), (61, 356742), (122, 178371), (183, 118914), (366, 59457), (549, 39638), (1098, 19819)]