21359195

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29873}}^1$

素因数の和:29902

約数の個数: 16

約数和(自身を含む): 30112992

約数和(自身を除く): 8753797

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 29873, 149365, 328603, 388349, 1643015, 1941745, 4271839, 21359195]

約数ペア:

[(1, 21359195), (5, 4271839), (11, 1941745), (13, 1643015), (55, 388349), (65, 328603), (143, 149365), (715, 29873)]