21755565

素因数分解:

$3^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37189}}^1$

素因数の和:37213

約数の個数: 24

約数和(自身を含む): 40611480

約数和(自身を除く): 18855915

約数列:

[1, 3, 5, 9, 13, 15, 39, 45, 65, 117, 195, 585, 37189, 111567, 185945, 334701, 483457, 557835, 1450371, 1673505, 2417285, 4351113, 7251855, 21755565]

約数ペア:

[(1, 21755565), (3, 7251855), (5, 4351113), (9, 2417285), (13, 1673505), (15, 1450371), (39, 557835), (45, 483457), (65, 334701), (117, 185945), (195, 111567), (585, 37189)]