21222642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{505301}}^1$

素因数の和:505313

約数の個数: 16

約数和(自身を含む): 48508992

約数和(自身を除く): 27286350

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 505301, 1010602, 1515903, 3031806, 3537107, 7074214, 10611321, 21222642]

約数ペア:

[(1, 21222642), (2, 10611321), (3, 7074214), (6, 3537107), (7, 3031806), (14, 1515903), (21, 1010602), (42, 505301)]