21468044

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{313}}^1\times {\mathrm{1319}}^1$

素因数の和:1649

約数の個数: 24

約数和(自身を含む): 40619040

約数和(自身を除く): 19150996

約数列:

[1, 2, 4, 13, 26, 52, 313, 626, 1252, 1319, 2638, 4069, 5276, 8138, 16276, 17147, 34294, 68588, 412847, 825694, 1651388, 5367011, 10734022, 21468044]

約数ペア:

[(1, 21468044), (2, 10734022), (4, 5367011), (13, 1651388), (26, 825694), (52, 412847), (313, 68588), (626, 34294), (1252, 17147), (1319, 16276), (2638, 8138), (4069, 5276)]