21672160

素因数分解:

$2^5\times 5^1\times {\mathrm{19}}^1\times {\mathrm{7129}}^1$

素因数の和:7163

約数の個数: 48

約数和(自身を含む): 53902800

約数和(自身を除く): 32230640

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 32, 38, 40, 76, 80, 95, 152, 160, 190, 304, 380, 608, 760, 1520, 3040, 7129, 14258, 28516, 35645, 57032, 71290, 114064, 135451, 142580, 228128, 270902, 285160, 541804, 570320, 677255, 1083608, 1140640, 1354510, 2167216, 2709020, 4334432, 5418040, 10836080, 21672160]

約数ペア:

[(1, 21672160), (2, 10836080), (4, 5418040), (5, 4334432), (8, 2709020), (10, 2167216), (16, 1354510), (19, 1140640), (20, 1083608), (32, 677255), (38, 570320), (40, 541804), (76, 285160), (80, 270902), (95, 228128), (152, 142580), (160, 135451), (190, 114064), (304, 71290), (380, 57032), (608, 35645), (760, 28516), (1520, 14258), (3040, 7129)]