21267216

素因数分解:

$2^4\times 3^2\times {\mathrm{147689}}^1$

素因数の和:147703

約数の個数: 30

約数和(自身を含む): 59519070

約数和(自身を除く): 38251854

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 147689, 295378, 443067, 590756, 886134, 1181512, 1329201, 1772268, 2363024, 2658402, 3544536, 5316804, 7089072, 10633608, 21267216]

約数ペア:

[(1, 21267216), (2, 10633608), (3, 7089072), (4, 5316804), (6, 3544536), (8, 2658402), (9, 2363024), (12, 1772268), (16, 1329201), (18, 1181512), (24, 886134), (36, 590756), (48, 443067), (72, 295378), (144, 147689)]