21552734

素因数分解:

$2^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{4651}}^1$

素因数の和:4991

約数の個数: 16

約数和(自身を含む): 37067136

約数和(自身を除く): 15514402

約数列:

[1, 2, 7, 14, 331, 662, 2317, 4634, 4651, 9302, 32557, 65114, 1539481, 3078962, 10776367, 21552734]

約数ペア:

[(1, 21552734), (2, 10776367), (7, 3078962), (14, 1539481), (331, 65114), (662, 32557), (2317, 9302), (4634, 4651)]