21167903060

素因数分解:

$2^2\times 5^1\times {\mathrm{79}}^1\times {\mathrm{13397407}}^1$

素因数の和:13397495

約数の個数: 24

約数和(自身を含む): 45015290880

約数和(自身を除く): 23847387820

約数列:

[1, 2, 4, 5, 10, 20, 79, 158, 316, 395, 790, 1580, 13397407, 26794814, 53589628, 66987035, 133974070, 267948140, 1058395153, 2116790306, 4233580612, 5291975765, 10583951530, 21167903060]

約数ペア:

[(1, 21167903060), (2, 10583951530), (4, 5291975765), (5, 4233580612), (10, 2116790306), (20, 1058395153), (79, 267948140), (158, 133974070), (316, 66987035), (395, 53589628), (790, 26794814), (1580, 13397407)]