21974222

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{149}}^1\times {\mathrm{3881}}^1$

素因数の和:4051

約数の個数: 16

約数和(自身を含む): 34938000

約数和(自身を除く): 12963778

約数列:

[1, 2, 19, 38, 149, 298, 2831, 3881, 5662, 7762, 73739, 147478, 578269, 1156538, 10987111, 21974222]

約数ペア:

[(1, 21974222), (2, 10987111), (19, 1156538), (38, 578269), (149, 147478), (298, 73739), (2831, 7762), (3881, 5662)]