21058416

素因数分解:

$2^4\times 3^2\times {\mathrm{146239}}^1$

素因数の和:146253

約数の個数: 30

約数和(自身を含む): 58934720

約数和(自身を除く): 37876304

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 146239, 292478, 438717, 584956, 877434, 1169912, 1316151, 1754868, 2339824, 2632302, 3509736, 5264604, 7019472, 10529208, 21058416]

約数ペア:

[(1, 21058416), (2, 10529208), (3, 7019472), (4, 5264604), (6, 3509736), (8, 2632302), (9, 2339824), (12, 1754868), (16, 1316151), (18, 1169912), (24, 877434), (36, 584956), (48, 438717), (72, 292478), (144, 146239)]