21221265818

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{569}}^1\times {\mathrm{23339}}^1$

素因数の和:23974

約数の個数: 32

約数和(自身を含む): 34483449600

約数和(自身を除く): 13262183782

約数列:

[1, 2, 17, 34, 47, 94, 569, 799, 1138, 1598, 9673, 19346, 23339, 26743, 46678, 53486, 396763, 454631, 793526, 909262, 1096933, 2193866, 13279891, 18647861, 26559782, 37295722, 225758147, 451516294, 624154877, 1248309754, 10610632909, 21221265818]

約数ペア:

[(1, 21221265818), (2, 10610632909), (17, 1248309754), (34, 624154877), (47, 451516294), (94, 225758147), (569, 37295722), (799, 26559782), (1138, 18647861), (1598, 13279891), (9673, 2193866), (19346, 1096933), (23339, 909262), (26743, 793526), (46678, 454631), (53486, 396763)]