21149596

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2351}}^1$

素因数の和:2541

約数の個数: 24

約数和(自身を含む): 40106304

約数和(自身を除く): 18956708

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 2351, 4498, 4702, 8996, 9404, 30563, 61126, 122252, 406723, 813446, 1626892, 5287399, 10574798, 21149596]

約数ペア:

[(1, 21149596), (2, 10574798), (4, 5287399), (13, 1626892), (26, 813446), (52, 406723), (173, 122252), (346, 61126), (692, 30563), (2249, 9404), (2351, 8996), (4498, 4702)]