21985416

素因数分解:

$2^3\times 3^2\times {\mathrm{305353}}^1$

素因数の和:305365

約数の個数: 24

約数和(自身を含む): 59544030

約数和(自身を除く): 37558614

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 305353, 610706, 916059, 1221412, 1832118, 2442824, 2748177, 3664236, 5496354, 7328472, 10992708, 21985416]

約数ペア:

[(1, 21985416), (2, 10992708), (3, 7328472), (4, 5496354), (6, 3664236), (8, 2748177), (9, 2442824), (12, 1832118), (18, 1221412), (24, 916059), (36, 610706), (72, 305353)]