21071730

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702391}}^1$

素因数の和:702401

約数の個数: 16

約数和(自身を含む): 50572224

約数和(自身を除く): 29500494

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702391, 1404782, 2107173, 3511955, 4214346, 7023910, 10535865, 21071730]

約数ペア:

[(1, 21071730), (2, 10535865), (3, 7023910), (5, 4214346), (6, 3511955), (10, 2107173), (15, 1404782), (30, 702391)]