21368060

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{152629}}^1$

素因数の和:152645

約数の個数: 24

約数和(自身を含む): 51283680

約数和(自身を除く): 29915620

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 152629, 305258, 610516, 763145, 1068403, 1526290, 2136806, 3052580, 4273612, 5342015, 10684030, 21368060]

約数ペア:

[(1, 21368060), (2, 10684030), (4, 5342015), (5, 4273612), (7, 3052580), (10, 2136806), (14, 1526290), (20, 1068403), (28, 763145), (35, 610516), (70, 305258), (140, 152629)]