21884065

素因数分解:

$5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1889}}^1$

素因数の和:2232

約数の個数: 16

約数和(自身を含む): 30119040

約数和(自身を除く): 8234975

約数列:

[1, 5, 7, 35, 331, 1655, 1889, 2317, 9445, 11585, 13223, 66115, 625259, 3126295, 4376813, 21884065]

約数ペア:

[(1, 21884065), (5, 4376813), (7, 3126295), (35, 625259), (331, 66115), (1655, 13223), (1889, 11585), (2317, 9445)]