21078864

素因数分解:

$2^4\times 3^2\times {\mathrm{146381}}^1$

素因数の和:146395

約数の個数: 30

約数和(自身を含む): 58991946

約数和(自身を除く): 37913082

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146381, 292762, 439143, 585524, 878286, 1171048, 1317429, 1756572, 2342096, 2634858, 3513144, 5269716, 7026288, 10539432, 21078864]

約数ペア:

[(1, 21078864), (2, 10539432), (3, 7026288), (4, 5269716), (6, 3513144), (8, 2634858), (9, 2342096), (12, 1756572), (16, 1317429), (18, 1171048), (24, 878286), (36, 585524), (48, 439143), (72, 292762), (144, 146381)]