21221354

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{3361}}^1$

素因数の和:3422

約数の個数: 32

約数和(自身を含む): 40666752

約数和(自身を除く): 19445398

約数列:

[1, 2, 7, 11, 14, 22, 41, 77, 82, 154, 287, 451, 574, 902, 3157, 3361, 6314, 6722, 23527, 36971, 47054, 73942, 137801, 258797, 275602, 517594, 964607, 1515811, 1929214, 3031622, 10610677, 21221354]

約数ペア:

[(1, 21221354), (2, 10610677), (7, 3031622), (11, 1929214), (14, 1515811), (22, 964607), (41, 517594), (77, 275602), (82, 258797), (154, 137801), (287, 73942), (451, 47054), (574, 36971), (902, 23527), (3157, 6722), (3361, 6314)]