21013992

素因数分解:

$2^3\times 3^4\times {\mathrm{32429}}^1$

素因数の和:32447

約数の個数: 40

約数和(自身を含む): 58860450

約数和(自身を除く): 37846458

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 32429, 64858, 97287, 129716, 194574, 259432, 291861, 389148, 583722, 778296, 875583, 1167444, 1751166, 2334888, 2626749, 3502332, 5253498, 7004664, 10506996, 21013992]

約数ペア:

[(1, 21013992), (2, 10506996), (3, 7004664), (4, 5253498), (6, 3502332), (8, 2626749), (9, 2334888), (12, 1751166), (18, 1167444), (24, 875583), (27, 778296), (36, 583722), (54, 389148), (72, 291861), (81, 259432), (108, 194574), (162, 129716), (216, 97287), (324, 64858), (648, 32429)]