21031859530

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{2420237}}^1$

素因数の和:2420334

約数の個数: 32

約数和(自身を含む): 41821712640

約数和(自身を除く): 20789853110

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 1738, 4345, 8690, 2420237, 4840474, 12101185, 24202370, 26622607, 53245214, 133113035, 191198723, 266226070, 382397446, 955993615, 1911987230, 2103185953, 4206371906, 10515929765, 21031859530]

約数ペア:

[(1, 21031859530), (2, 10515929765), (5, 4206371906), (10, 2103185953), (11, 1911987230), (22, 955993615), (55, 382397446), (79, 266226070), (110, 191198723), (158, 133113035), (395, 53245214), (790, 26622607), (869, 24202370), (1738, 12101185), (4345, 4840474), (8690, 2420237)]