21343430

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{27017}}^1$

素因数の和:27103

約数の個数: 16

約数和(自身を含む): 38905920

約数和(自身を除く): 17562490

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 27017, 54034, 135085, 270170, 2134343, 4268686, 10671715, 21343430]

約数ペア:

[(1, 21343430), (2, 10671715), (5, 4268686), (10, 2134343), (79, 270170), (158, 135085), (395, 54034), (790, 27017)]