21006565

素因数分解:

$5^1\times {\mathrm{37}}^1\times {\mathrm{271}}^1\times {\mathrm{419}}^1$

素因数の和:732

約数の個数: 16

約数和(自身を含む): 26046720

約数和(自身を除く): 5040155

約数列:

[1, 5, 37, 185, 271, 419, 1355, 2095, 10027, 15503, 50135, 77515, 113549, 567745, 4201313, 21006565]

約数ペア:

[(1, 21006565), (5, 4201313), (37, 567745), (185, 113549), (271, 77515), (419, 50135), (1355, 15503), (2095, 10027)]