21852080

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{9419}}^1$

素因数の和:9461

約数の個数: 40

約数和(自身を含む): 52563600

約数和(自身を除く): 30711520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 9419, 18838, 37676, 47095, 75352, 94190, 150704, 188380, 273151, 376760, 546302, 753520, 1092604, 1365755, 2185208, 2731510, 4370416, 5463020, 10926040, 21852080]

約数ペア:

[(1, 21852080), (2, 10926040), (4, 5463020), (5, 4370416), (8, 2731510), (10, 2185208), (16, 1365755), (20, 1092604), (29, 753520), (40, 546302), (58, 376760), (80, 273151), (116, 188380), (145, 150704), (232, 94190), (290, 75352), (464, 47095), (580, 37676), (1160, 18838), (2320, 9419)]