21401580

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{356693}}^1$

素因数の和:356705

約数の個数: 24

約数和(自身を含む): 59924592

約数和(自身を除く): 38523012

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 356693, 713386, 1070079, 1426772, 1783465, 2140158, 3566930, 4280316, 5350395, 7133860, 10700790, 21401580]

約数ペア:

[(1, 21401580), (2, 10700790), (3, 7133860), (4, 5350395), (5, 4280316), (6, 3566930), (10, 2140158), (12, 1783465), (15, 1426772), (20, 1070079), (30, 713386), (60, 356693)]