21167368760

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{733}}^1\times {\mathrm{37997}}^1$

素因数の和:38760

約数の個数: 64

約数和(自身を含む): 50202957600

約数和(自身を除く): 29035588840

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 733, 760, 1466, 2932, 3665, 5864, 7330, 13927, 14660, 27854, 29320, 37997, 55708, 69635, 75994, 111416, 139270, 151988, 189985, 278540, 303976, 379970, 557080, 721943, 759940, 1443886, 1519880, 2887772, 3609715, 5775544, 7219430, 14438860, 27851801, 28877720, 55703602, 111407204, 139259005, 222814408, 278518010, 529184219, 557036020, 1058368438, 1114072040, 2116736876, 2645921095, 4233473752, 5291842190, 10583684380, 21167368760]

約数ペア:

[(1, 21167368760), (2, 10583684380), (4, 5291842190), (5, 4233473752), (8, 2645921095), (10, 2116736876), (19, 1114072040), (20, 1058368438), (38, 557036020), (40, 529184219), (76, 278518010), (95, 222814408), (152, 139259005), (190, 111407204), (380, 55703602), (733, 28877720), (760, 27851801), (1466, 14438860), (2932, 7219430), (3665, 5775544), (5864, 3609715), (7330, 2887772), (13927, 1519880), (14660, 1443886), (27854, 759940), (29320, 721943), (37997, 557080), (55708, 379970), (69635, 303976), (75994, 278540), (111416, 189985), (139270, 151988)]