21800265

素因数分解:

$3^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{14983}}^1$

素因数の和:15088

約数の個数: 16

約数和(自身を含む): 35242368

約数和(自身を除く): 13442103

約数列:

[1, 3, 5, 15, 97, 291, 485, 1455, 14983, 44949, 74915, 224745, 1453351, 4360053, 7266755, 21800265]

約数ペア:

[(1, 21800265), (3, 7266755), (5, 4360053), (15, 1453351), (97, 224745), (291, 74915), (485, 44949), (1455, 14983)]