21373804

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 38264688

約数和(自身を除く): 16890884

約数列:

[1, 2, 4, 67, 134, 173, 268, 346, 461, 692, 922, 1844, 11591, 23182, 30887, 46364, 61774, 79753, 123548, 159506, 319012, 5343451, 10686902, 21373804]

約数ペア:

[(1, 21373804), (2, 10686902), (4, 5343451), (67, 319012), (134, 159506), (173, 123548), (268, 79753), (346, 61774), (461, 46364), (692, 30887), (922, 23182), (1844, 11591)]