21741116

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1\times {\mathrm{643}}^1$

素因数の和:833

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17208004

約数列:

[1, 2, 4, 79, 107, 158, 214, 316, 428, 643, 1286, 2572, 8453, 16906, 33812, 50797, 68801, 101594, 137602, 203188, 275204, 5435279, 10870558, 21741116]

約数ペア:

[(1, 21741116), (2, 10870558), (4, 5435279), (79, 275204), (107, 203188), (158, 137602), (214, 101594), (316, 68801), (428, 50797), (643, 33812), (1286, 16906), (2572, 8453)]