21305676

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{253639}}^1$

素因数の和:253653

約数の個数: 24

約数和(自身を含む): 56815360

約数和(自身を除く): 35509684

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 253639, 507278, 760917, 1014556, 1521834, 1775473, 3043668, 3550946, 5326419, 7101892, 10652838, 21305676]

約数ペア:

[(1, 21305676), (2, 10652838), (3, 7101892), (4, 5326419), (6, 3550946), (7, 3043668), (12, 1775473), (14, 1521834), (21, 1014556), (28, 760917), (42, 507278), (84, 253639)]