21554818

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{619}}^1\times {\mathrm{757}}^1$

素因数の和:1401

約数の個数: 16

約数和(自身を含む): 33837120

約数和(自身を除く): 12282302

約数列:

[1, 2, 23, 46, 619, 757, 1238, 1514, 14237, 17411, 28474, 34822, 468583, 937166, 10777409, 21554818]

約数ペア:

[(1, 21554818), (2, 10777409), (23, 937166), (46, 468583), (619, 34822), (757, 28474), (1238, 17411), (1514, 14237)]