21360045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{203429}}^1$

素因数の和:203444

約数の個数: 16

約数和(自身を含む): 39058560

約数和(自身を除く): 17698515

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 203429, 610287, 1017145, 1424003, 3051435, 4272009, 7120015, 21360045]

約数ペア:

[(1, 21360045), (3, 7120015), (5, 4272009), (7, 3051435), (15, 1424003), (21, 1017145), (35, 610287), (105, 203429)]