21845758

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{353}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 37467360

約数和(自身を除く): 15621602

約数列:

[1, 2, 11, 22, 29, 58, 97, 194, 319, 353, 638, 706, 1067, 2134, 2813, 3883, 5626, 7766, 10237, 20474, 30943, 34241, 61886, 68482, 112607, 225214, 376651, 753302, 992989, 1985978, 10922879, 21845758]

約数ペア:

[(1, 21845758), (2, 10922879), (11, 1985978), (22, 992989), (29, 753302), (58, 376651), (97, 225214), (194, 112607), (319, 68482), (353, 61886), (638, 34241), (706, 30943), (1067, 20474), (2134, 10237), (2813, 7766), (3883, 5626)]