2021376959

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{127717}}^1$

素因数の和:127767

約数の個数: 24

約数和(自身を含む): 2620773360

約数和(自身を除く): 599396401

約数列:

[1, 7, 17, 19, 49, 119, 133, 323, 833, 931, 2261, 15827, 127717, 894019, 2171189, 2426623, 6258133, 15198323, 16986361, 41252591, 106388261, 118904527, 288768137, 2021376959]

約数ペア:

[(1, 2021376959), (7, 288768137), (17, 118904527), (19, 106388261), (49, 41252591), (119, 16986361), (133, 15198323), (323, 6258133), (833, 2426623), (931, 2171189), (2261, 894019), (15827, 127717)]