2021699519

素因数分解:

$7^1\times {\mathrm{157}}^1\times {\mathrm{389}}^1\times {\mathrm{4729}}^1$

素因数の和:5282

約数の個数: 16

約数和(自身を含む): 2331700800

約数和(自身を除く): 310001281

約数列:

[1, 7, 157, 389, 1099, 2723, 4729, 33103, 61073, 427511, 742453, 1839581, 5197171, 12877067, 288814217, 2021699519]

約数ペア:

[(1, 2021699519), (7, 288814217), (157, 12877067), (389, 5197171), (1099, 1839581), (2723, 742453), (4729, 427511), (33103, 61073)]