21900345

素因数分解:

$3^1\times 5^1\times {\mathrm{1009}}^1\times {\mathrm{1447}}^1$

素因数の和:2464

約数の個数: 16

約数和(自身を含む): 35099520

約数和(自身を除く): 13199175

約数列:

[1, 3, 5, 15, 1009, 1447, 3027, 4341, 5045, 7235, 15135, 21705, 1460023, 4380069, 7300115, 21900345]

約数ペア:

[(1, 21900345), (3, 7300115), (5, 4380069), (15, 1460023), (1009, 21705), (1447, 15135), (3027, 7235), (4341, 5045)]