21499214

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{2437}}^1$

素因数の和:2851

約数の個数: 16

約数和(自身を含む): 35282736

約数和(自身を除く): 13783522

約数列:

[1, 2, 11, 22, 401, 802, 2437, 4411, 4874, 8822, 26807, 53614, 977237, 1954474, 10749607, 21499214]

約数ペア:

[(1, 21499214), (2, 10749607), (11, 1954474), (22, 977237), (401, 53614), (802, 26807), (2437, 8822), (4411, 4874)]