21555178

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{6299}}^1$

素因数の和:6389

約数の個数: 16

約数和(自身を含む): 34020000

約数和(自身を除く): 12464822

約数列:

[1, 2, 29, 58, 59, 118, 1711, 3422, 6299, 12598, 182671, 365342, 371641, 743282, 10777589, 21555178]

約数ペア:

[(1, 21555178), (2, 10777589), (29, 743282), (58, 371641), (59, 365342), (118, 182671), (1711, 12598), (3422, 6299)]