21480258

素因数分解:

$2^1\times 3^1\times {\mathrm{79}}^1\times {\mathrm{45317}}^1$

素因数の和:45401

約数の個数: 16

約数和(自身を含む): 43505280

約数和(自身を除く): 22025022

約数列:

[1, 2, 3, 6, 79, 158, 237, 474, 45317, 90634, 135951, 271902, 3580043, 7160086, 10740129, 21480258]

約数ペア:

[(1, 21480258), (2, 10740129), (3, 7160086), (6, 3580043), (79, 271902), (158, 135951), (237, 90634), (474, 45317)]