21298996980

素因数分解:

$2^2\times 3^4\times 5^1\times {\mathrm{13147529}}^1$

素因数の和:13147550

約数の個数: 60

約数和(自身を含む): 66815747460

約数和(自身を除く): 45516750480

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 270, 324, 405, 540, 810, 1620, 13147529, 26295058, 39442587, 52590116, 65737645, 78885174, 118327761, 131475290, 157770348, 197212935, 236655522, 262950580, 354983283, 394425870, 473311044, 591638805, 709966566, 788851740, 1064949849, 1183277610, 1419933132, 1774916415, 2129899698, 2366555220, 3549832830, 4259799396, 5324749245, 7099665660, 10649498490, 21298996980]

約数ペア:

[(1, 21298996980), (2, 10649498490), (3, 7099665660), (4, 5324749245), (5, 4259799396), (6, 3549832830), (9, 2366555220), (10, 2129899698), (12, 1774916415), (15, 1419933132), (18, 1183277610), (20, 1064949849), (27, 788851740), (30, 709966566), (36, 591638805), (45, 473311044), (54, 394425870), (60, 354983283), (81, 262950580), (90, 236655522), (108, 197212935), (135, 157770348), (162, 131475290), (180, 118327761), (270, 78885174), (324, 65737645), (405, 52590116), (540, 39442587), (810, 26295058), (1620, 13147529)]