21349635

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3257}}^1$

素因数の和:3307

約数の個数: 32

約数和(自身を含む): 37532160

約数和(自身を除く): 16182525

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3257, 6555, 9771, 16285, 48855, 61883, 74911, 185649, 224733, 309415, 374555, 928245, 1123665, 1423309, 4269927, 7116545, 21349635]

約数ペア:

[(1, 21349635), (3, 7116545), (5, 4269927), (15, 1423309), (19, 1123665), (23, 928245), (57, 374555), (69, 309415), (95, 224733), (115, 185649), (285, 74911), (345, 61883), (437, 48855), (1311, 16285), (2185, 9771), (3257, 6555)]