21912969

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{61}}^2\times {\mathrm{151}}^1$

素因数の和:289

約数の個数: 24

約数和(自身を含む): 32200896

約数和(自身を除く): 10287927

約数列:

[1, 3, 13, 39, 61, 151, 183, 453, 793, 1963, 2379, 3721, 5889, 9211, 11163, 27633, 48373, 119743, 145119, 359229, 561871, 1685613, 7304323, 21912969]

約数ペア:

[(1, 21912969), (3, 7304323), (13, 1685613), (39, 561871), (61, 359229), (151, 145119), (183, 119743), (453, 48373), (793, 27633), (1963, 11163), (2379, 9211), (3721, 5889)]