21821595

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{3329}}^1$

素因数の和:3379

約数の個数: 32

約数和(自身を含む): 38361600

約数和(自身を除く): 16540005

約数列:

[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 3329, 6555, 9987, 16645, 49935, 63251, 76567, 189753, 229701, 316255, 382835, 948765, 1148505, 1454773, 4364319, 7273865, 21821595]

約数ペア:

[(1, 21821595), (3, 7273865), (5, 4364319), (15, 1454773), (19, 1148505), (23, 948765), (57, 382835), (69, 316255), (95, 229701), (115, 189753), (285, 76567), (345, 63251), (437, 49935), (1311, 16645), (2185, 9987), (3329, 6555)]