21906222

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{1723}}^1$

素因数の和:1904

約数の個数: 32

約数和(自身を含む): 47499648

約数和(自身を除く): 25593426

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 163, 326, 489, 978, 1723, 2119, 3446, 4238, 5169, 6357, 10338, 12714, 22399, 44798, 67197, 134394, 280849, 561698, 842547, 1685094, 3651037, 7302074, 10953111, 21906222]

約数ペア:

[(1, 21906222), (2, 10953111), (3, 7302074), (6, 3651037), (13, 1685094), (26, 842547), (39, 561698), (78, 280849), (163, 134394), (326, 67197), (489, 44798), (978, 22399), (1723, 12714), (2119, 10338), (3446, 6357), (4238, 5169)]