21430605

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{204101}}^1$

素因数の和:204116

約数の個数: 16

約数和(自身を含む): 39187584

約数和(自身を除く): 17756979

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 204101, 612303, 1020505, 1428707, 3061515, 4286121, 7143535, 21430605]

約数ペア:

[(1, 21430605), (3, 7143535), (5, 4286121), (7, 3061515), (15, 1428707), (21, 1020505), (35, 612303), (105, 204101)]