21838010

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6977}}^1$

素因数の和:7297

約数の個数: 16

約数和(自身を含む): 39439656

約数和(自身を除く): 17601646

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6977, 13954, 34885, 69770, 2183801, 4367602, 10919005, 21838010]

約数ペア:

[(1, 21838010), (2, 10919005), (5, 4367602), (10, 2183801), (313, 69770), (626, 34885), (1565, 13954), (3130, 6977)]