21819230

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6971}}^1$

素因数の和:7291

約数の個数: 16

約数和(自身を含む): 39405744

約数和(自身を除く): 17586514

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6971, 13942, 34855, 69710, 2181923, 4363846, 10909615, 21819230]

約数ペア:

[(1, 21819230), (2, 10909615), (5, 4363846), (10, 2181923), (313, 69710), (626, 34855), (1565, 13942), (3130, 6971)]