21066220

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{150473}}^1$

素因数の和:150489

約数の個数: 24

約数和(自身を含む): 50559264

約数和(自身を除く): 29493044

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 150473, 300946, 601892, 752365, 1053311, 1504730, 2106622, 3009460, 4213244, 5266555, 10533110, 21066220]

約数ペア:

[(1, 21066220), (2, 10533110), (4, 5266555), (5, 4213244), (7, 3009460), (10, 2106622), (14, 1504730), (20, 1053311), (28, 752365), (35, 601892), (70, 300946), (140, 150473)]