21915351017

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{1905517}}^1$

素因数の和:1905608

約数の個数: 16

約数和(自身を含む): 26341880832

約数和(自身を除く): 4426529815

約数列:

[1, 7, 31, 53, 217, 371, 1643, 11501, 1905517, 13338619, 59071027, 100992401, 413497189, 706946807, 3130764431, 21915351017]

約数ペア:

[(1, 21915351017), (7, 3130764431), (31, 706946807), (53, 413497189), (217, 100992401), (371, 59071027), (1643, 13338619), (11501, 1905517)]