21854605

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{6949}}^1$

素因数の和:7008

約数の個数: 16

約数和(自身を含む): 28522800

約数和(自身を除く): 6668195

約数列:

[1, 5, 17, 37, 85, 185, 629, 3145, 6949, 34745, 118133, 257113, 590665, 1285565, 4370921, 21854605]

約数ペア:

[(1, 21854605), (5, 4370921), (17, 1285565), (37, 590665), (85, 257113), (185, 118133), (629, 34745), (3145, 6949)]