21378348

素因数分解:

$2^2\times 3^2\times {\mathrm{79}}^1\times {\mathrm{7517}}^1$

素因数の和:7606

約数の個数: 36

約数和(自身を含む): 54731040

約数和(自身を除く): 33352692

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 79, 158, 237, 316, 474, 711, 948, 1422, 2844, 7517, 15034, 22551, 30068, 45102, 67653, 90204, 135306, 270612, 593843, 1187686, 1781529, 2375372, 3563058, 5344587, 7126116, 10689174, 21378348]

約数ペア:

[(1, 21378348), (2, 10689174), (3, 7126116), (4, 5344587), (6, 3563058), (9, 2375372), (12, 1781529), (18, 1187686), (36, 593843), (79, 270612), (158, 135306), (237, 90204), (316, 67653), (474, 45102), (711, 30068), (948, 22551), (1422, 15034), (2844, 7517)]