21959918

素因数分解:

$2^1\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{1249}}^1$

素因数の和:1459

約数の個数: 16

約数和(自身を含む): 33750000

約数和(自身を除く): 11790082

約数列:

[1, 2, 59, 118, 149, 298, 1249, 2498, 8791, 17582, 73691, 147382, 186101, 372202, 10979959, 21959918]

約数ペア:

[(1, 21959918), (2, 10979959), (59, 372202), (118, 186101), (149, 147382), (298, 73691), (1249, 17582), (2498, 8791)]