21915222

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{521791}}^1$

素因数の和:521803

約数の個数: 16

約数和(自身を含む): 50092032

約数和(自身を除く): 28176810

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 521791, 1043582, 1565373, 3130746, 3652537, 7305074, 10957611, 21915222]

約数ペア:

[(1, 21915222), (2, 10957611), (3, 7305074), (6, 3652537), (7, 3130746), (14, 1565373), (21, 1043582), (42, 521791)]