21558109610

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{73}}^1\times {\mathrm{15199}}^1$

素因数の和:15375

約数の個数: 64

約数和(自身を含む): 41302656000

約数和(自身を除く): 19744546390

約数列:

[1, 2, 5, 10, 29, 58, 67, 73, 134, 145, 146, 290, 335, 365, 670, 730, 1943, 2117, 3886, 4234, 4891, 9715, 9782, 10585, 15199, 19430, 21170, 24455, 30398, 48910, 75995, 141839, 151990, 283678, 440771, 709195, 881542, 1018333, 1109527, 1418390, 2036666, 2203855, 2219054, 4407710, 5091665, 5547635, 10183330, 11095270, 29531657, 32176283, 59063314, 64352566, 74338309, 147658285, 148676618, 160881415, 295316570, 321762830, 371691545, 743383090, 2155810961, 4311621922, 10779054805, 21558109610]

約数ペア:

[(1, 21558109610), (2, 10779054805), (5, 4311621922), (10, 2155810961), (29, 743383090), (58, 371691545), (67, 321762830), (73, 295316570), (134, 160881415), (145, 148676618), (146, 147658285), (290, 74338309), (335, 64352566), (365, 59063314), (670, 32176283), (730, 29531657), (1943, 11095270), (2117, 10183330), (3886, 5547635), (4234, 5091665), (4891, 4407710), (9715, 2219054), (9782, 2203855), (10585, 2036666), (15199, 1418390), (19430, 1109527), (21170, 1018333), (24455, 881542), (30398, 709195), (48910, 440771), (75995, 283678), (141839, 151990)]