21254366

素因数分解:

$2^1\times 7^1\times {\mathrm{1151}}^1\times {\mathrm{1319}}^1$

素因数の和:2479

約数の個数: 16

約数和(自身を含む): 36495360

約数和(自身を除く): 15240994

約数列:

[1, 2, 7, 14, 1151, 1319, 2302, 2638, 8057, 9233, 16114, 18466, 1518169, 3036338, 10627183, 21254366]

約数ペア:

[(1, 21254366), (2, 10627183), (7, 3036338), (14, 1518169), (1151, 18466), (1319, 16114), (2302, 9233), (2638, 8057)]