21845554

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{79}}^1\times {\mathrm{383}}^1$

素因数の和:502

約数の個数: 24

約数和(自身を含む): 35112960

約数和(自身を除く): 13267406

約数列:

[1, 2, 19, 38, 79, 158, 361, 383, 722, 766, 1501, 3002, 7277, 14554, 28519, 30257, 57038, 60514, 138263, 276526, 574883, 1149766, 10922777, 21845554]

約数ペア:

[(1, 21845554), (2, 10922777), (19, 1149766), (38, 574883), (79, 276526), (158, 138263), (361, 60514), (383, 57038), (722, 30257), (766, 28519), (1501, 14554), (3002, 7277)]