21057777004

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{5377369}}^1$

素因数の和:5377473

約数の個数: 24

約数和(自身を含む): 40652917200

約数和(自身を除く): 19595140196

約数列:

[1, 2, 4, 11, 22, 44, 89, 178, 356, 979, 1958, 3916, 5377369, 10754738, 21509476, 59151059, 118302118, 236604236, 478585841, 957171682, 1914343364, 5264444251, 10528888502, 21057777004]

約数ペア:

[(1, 21057777004), (2, 10528888502), (4, 5264444251), (11, 1914343364), (22, 957171682), (44, 478585841), (89, 236604236), (178, 118302118), (356, 59151059), (979, 21509476), (1958, 10754738), (3916, 5377369)]