21650210

素因数分解:

$2^1\times 5^1\times {\mathrm{313}}^1\times {\mathrm{6917}}^1$

素因数の和:7237

約数の個数: 16

約数和(自身を含む): 39100536

約数和(自身を除く): 17450326

約数列:

[1, 2, 5, 10, 313, 626, 1565, 3130, 6917, 13834, 34585, 69170, 2165021, 4330042, 10825105, 21650210]

約数ペア:

[(1, 21650210), (2, 10825105), (5, 4330042), (10, 2165021), (313, 69170), (626, 34585), (1565, 13834), (3130, 6917)]