21898842

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521401}}^1$

素因数の和:521413

約数の個数: 16

約数和(自身を含む): 50054592

約数和(自身を除く): 28155750

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521401, 1042802, 1564203, 3128406, 3649807, 7299614, 10949421, 21898842]

約数ペア:

[(1, 21898842), (2, 10949421), (3, 7299614), (6, 3649807), (7, 3128406), (14, 1564203), (21, 1042802), (42, 521401)]