21499887

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{5167}}^1$

素因数の和:5262

約数の個数: 16

約数和(自身を含む): 30594560

約数和(自身を除く): 9094673

約数列:

[1, 3, 19, 57, 73, 219, 1387, 4161, 5167, 15501, 98173, 294519, 377191, 1131573, 7166629, 21499887]

約数ペア:

[(1, 21499887), (3, 7166629), (19, 1131573), (57, 377191), (73, 294519), (219, 98173), (1387, 15501), (4161, 5167)]