21747506

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{383}}^1$

素因数の和:514

約数の個数: 32

約数和(自身を含む): 37324800

約数和(自身を除く): 15577294

約数列:

[1, 2, 11, 22, 29, 58, 89, 178, 319, 383, 638, 766, 979, 1958, 2581, 4213, 5162, 8426, 11107, 22214, 28391, 34087, 56782, 68174, 122177, 244354, 374957, 749914, 988523, 1977046, 10873753, 21747506]

約数ペア:

[(1, 21747506), (2, 10873753), (11, 1977046), (22, 988523), (29, 749914), (58, 374957), (89, 244354), (178, 122177), (319, 68174), (383, 56782), (638, 34087), (766, 28391), (979, 22214), (1958, 11107), (2581, 8426), (4213, 5162)]