21477291260

素因数分解:

$2^2\times 5^1\times {\mathrm{71}}^1\times {\mathrm{15124853}}^1$

素因数の和:15124933

約数の個数: 24

約数和(自身を含む): 45737558496

約数和(自身を除く): 24260267236

約数列:

[1, 2, 4, 5, 10, 20, 71, 142, 284, 355, 710, 1420, 15124853, 30249706, 60499412, 75624265, 151248530, 302497060, 1073864563, 2147729126, 4295458252, 5369322815, 10738645630, 21477291260]

約数ペア:

[(1, 21477291260), (2, 10738645630), (4, 5369322815), (5, 4295458252), (10, 2147729126), (20, 1073864563), (71, 302497060), (142, 151248530), (284, 75624265), (355, 60499412), (710, 30249706), (1420, 15124853)]