21377454

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{508987}}^1$

素因数の和:508999

約数の個数: 16

約数和(自身を含む): 48862848

約数和(自身を除く): 27485394

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 508987, 1017974, 1526961, 3053922, 3562909, 7125818, 10688727, 21377454]

約数ペア:

[(1, 21377454), (2, 10688727), (3, 7125818), (6, 3562909), (7, 3053922), (14, 1526961), (21, 1017974), (42, 508987)]