21923252

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{173}}^1\times {\mathrm{2437}}^1$

素因数の和:2627

約数の個数: 24

約数和(自身を含む): 41572776

約数和(自身を除く): 19649524

約数列:

[1, 2, 4, 13, 26, 52, 173, 346, 692, 2249, 2437, 4498, 4874, 8996, 9748, 31681, 63362, 126724, 421601, 843202, 1686404, 5480813, 10961626, 21923252]

約数ペア:

[(1, 21923252), (2, 10961626), (4, 5480813), (13, 1686404), (26, 843202), (52, 421601), (173, 126724), (346, 63362), (692, 31681), (2249, 9748), (2437, 8996), (4498, 4874)]