21393614

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1\times {\mathrm{2539}}^1$

素因数の和:2935

約数の個数: 16

約数和(自身を含む): 35112960

約数和(自身を除く): 13719346

約数列:

[1, 2, 11, 22, 383, 766, 2539, 4213, 5078, 8426, 27929, 55858, 972437, 1944874, 10696807, 21393614]

約数ペア:

[(1, 21393614), (2, 10696807), (11, 1944874), (22, 972437), (383, 55858), (766, 27929), (2539, 8426), (4213, 5078)]