21167266160

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{605471}}^1$

素因数の和:605526

約数の個数: 80

約数和(自身を含む): 54056540160

約数和(自身を除く): 32889274000

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 23, 38, 40, 46, 76, 80, 92, 95, 115, 152, 184, 190, 230, 304, 368, 380, 437, 460, 760, 874, 920, 1520, 1748, 1840, 2185, 3496, 4370, 6992, 8740, 17480, 34960, 605471, 1210942, 2421884, 3027355, 4843768, 6054710, 9687536, 11503949, 12109420, 13925833, 23007898, 24218840, 27851666, 46015796, 48437680, 55703332, 57519745, 69629165, 92031592, 111406664, 115039490, 139258330, 184063184, 222813328, 230078980, 264590827, 278516660, 460157960, 529181654, 557033320, 920315920, 1058363308, 1114066640, 1322954135, 2116726616, 2645908270, 4233453232, 5291816540, 10583633080, 21167266160]

約数ペア:

[(1, 21167266160), (2, 10583633080), (4, 5291816540), (5, 4233453232), (8, 2645908270), (10, 2116726616), (16, 1322954135), (19, 1114066640), (20, 1058363308), (23, 920315920), (38, 557033320), (40, 529181654), (46, 460157960), (76, 278516660), (80, 264590827), (92, 230078980), (95, 222813328), (115, 184063184), (152, 139258330), (184, 115039490), (190, 111406664), (230, 92031592), (304, 69629165), (368, 57519745), (380, 55703332), (437, 48437680), (460, 46015796), (760, 27851666), (874, 24218840), (920, 23007898), (1520, 13925833), (1748, 12109420), (1840, 11503949), (2185, 9687536), (3496, 6054710), (4370, 4843768), (6992, 3027355), (8740, 2421884), (17480, 1210942), (34960, 605471)]