21669638

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{409}}^1\times {\mathrm{449}}^1$

素因数の和:919

約数の個数: 16

約数和(自身を含む): 33210000

約数和(自身を除く): 11540362

約数列:

[1, 2, 59, 118, 409, 449, 818, 898, 24131, 26491, 48262, 52982, 183641, 367282, 10834819, 21669638]

約数ペア:

[(1, 21669638), (2, 10834819), (59, 367282), (118, 183641), (409, 52982), (449, 48262), (818, 26491), (898, 24131)]