21340428

素因数分解:

$2^2\times 3^1\times {\mathrm{79}}^1\times {\mathrm{22511}}^1$

素因数の和:22597

約数の個数: 24

約数和(自身を含む): 50426880

約数和(自身を除く): 29086452

約数列:

[1, 2, 3, 4, 6, 12, 79, 158, 237, 316, 474, 948, 22511, 45022, 67533, 90044, 135066, 270132, 1778369, 3556738, 5335107, 7113476, 10670214, 21340428]

約数ペア:

[(1, 21340428), (2, 10670214), (3, 7113476), (4, 5335107), (6, 3556738), (12, 1778369), (79, 270132), (158, 135066), (237, 90044), (316, 67533), (474, 45022), (948, 22511)]