21077315

素因数分解:

$5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{26183}}^1$

素因数の和:26218

約数の個数: 16

約数和(自身を含む): 30163968

約数和(自身を除く): 9086653

約数列:

[1, 5, 7, 23, 35, 115, 161, 805, 26183, 130915, 183281, 602209, 916405, 3011045, 4215463, 21077315]

約数ペア:

[(1, 21077315), (5, 4215463), (7, 3011045), (23, 916405), (35, 602209), (115, 183281), (161, 130915), (805, 26183)]