21197674

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{27107}}^1$

素因数の和:27149

約数の個数: 16

約数和(自身を含む): 35131968

約数和(自身を除く): 13934294

約数列:

[1, 2, 17, 23, 34, 46, 391, 782, 27107, 54214, 460819, 623461, 921638, 1246922, 10598837, 21197674]

約数ペア:

[(1, 21197674), (2, 10598837), (17, 1246922), (23, 921638), (34, 623461), (46, 460819), (391, 54214), (782, 27107)]