21221634

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505277}}^1$

素因数の和:505289

約数の個数: 16

約数和(自身を含む): 48506688

約数和(自身を除く): 27285054

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505277, 1010554, 1515831, 3031662, 3536939, 7073878, 10610817, 21221634]

約数ペア:

[(1, 21221634), (2, 10610817), (3, 7073878), (6, 3536939), (7, 3031662), (14, 1515831), (21, 1010554), (42, 505277)]