21827470

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{311821}}^1$

素因数の和:311835

約数の個数: 16

約数和(自身を含む): 44902368

約数和(自身を除く): 23074898

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 311821, 623642, 1559105, 2182747, 3118210, 4365494, 10913735, 21827470]

約数ペア:

[(1, 21827470), (2, 10913735), (5, 4365494), (7, 3118210), (10, 2182747), (14, 1559105), (35, 623642), (70, 311821)]