21127020

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{1579}}^1$

素因数の和:1814

約数の個数: 48

約数和(自身を含む): 59458560

約数和(自身を除く): 38331540

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 223, 446, 669, 892, 1115, 1338, 1579, 2230, 2676, 3158, 3345, 4460, 4737, 6316, 6690, 7895, 9474, 13380, 15790, 18948, 23685, 31580, 47370, 94740, 352117, 704234, 1056351, 1408468, 1760585, 2112702, 3521170, 4225404, 5281755, 7042340, 10563510, 21127020]

約数ペア:

[(1, 21127020), (2, 10563510), (3, 7042340), (4, 5281755), (5, 4225404), (6, 3521170), (10, 2112702), (12, 1760585), (15, 1408468), (20, 1056351), (30, 704234), (60, 352117), (223, 94740), (446, 47370), (669, 31580), (892, 23685), (1115, 18948), (1338, 15790), (1579, 13380), (2230, 9474), (2676, 7895), (3158, 6690), (3345, 6316), (4460, 4737)]