21682095

素因数分解:

$3^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{19801}}^1$

素因数の和:19882

約数の個数: 16

約数和(自身を含む): 35168352

約数和(自身を除く): 13486257

約数列:

[1, 3, 5, 15, 73, 219, 365, 1095, 19801, 59403, 99005, 297015, 1445473, 4336419, 7227365, 21682095]

約数ペア:

[(1, 21682095), (3, 7227365), (5, 4336419), (15, 1445473), (73, 297015), (219, 99005), (365, 59403), (1095, 19801)]