21952385

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{48247}}^1$

素因数の和:48272

約数の個数: 16

約数和(自身を含む): 32422656

約数和(自身を除く): 10470271

約数列:

[1, 5, 7, 13, 35, 65, 91, 455, 48247, 241235, 337729, 627211, 1688645, 3136055, 4390477, 21952385]

約数ペア:

[(1, 21952385), (5, 4390477), (7, 3136055), (13, 1688645), (35, 627211), (65, 337729), (91, 241235), (455, 48247)]