21616005

素因数分解:

$3^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{30661}}^1$

素因数の和:30716

約数の個数: 16

約数和(自身を含む): 35322624

約数和(自身を除く): 13706619

約数列:

[1, 3, 5, 15, 47, 141, 235, 705, 30661, 91983, 153305, 459915, 1441067, 4323201, 7205335, 21616005]

約数ペア:

[(1, 21616005), (3, 7205335), (5, 4323201), (15, 1441067), (47, 459915), (141, 153305), (235, 91983), (705, 30661)]