21473256

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{127817}}^1$

素因数の和:127833

約数の個数: 32

約数和(自身を含む): 61352640

約数和(自身を除く): 39879384

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 127817, 255634, 383451, 511268, 766902, 894719, 1022536, 1533804, 1789438, 2684157, 3067608, 3578876, 5368314, 7157752, 10736628, 21473256]

約数ペア:

[(1, 21473256), (2, 10736628), (3, 7157752), (4, 5368314), (6, 3578876), (7, 3067608), (8, 2684157), (12, 1789438), (14, 1533804), (21, 1022536), (24, 894719), (28, 766902), (42, 511268), (56, 383451), (84, 255634), (168, 127817)]