21032445

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{383}}^1\times {\mathrm{523}}^1$

素因数の和:921

約数の個数: 32

約数和(自身を含む): 38633472

約数和(自身を除く): 17601027

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 383, 523, 1149, 1569, 1915, 2615, 2681, 3661, 5745, 7845, 8043, 10983, 13405, 18305, 40215, 54915, 200309, 600927, 1001545, 1402163, 3004635, 4206489, 7010815, 21032445]

約数ペア:

[(1, 21032445), (3, 7010815), (5, 4206489), (7, 3004635), (15, 1402163), (21, 1001545), (35, 600927), (105, 200309), (383, 54915), (523, 40215), (1149, 18305), (1569, 13405), (1915, 10983), (2615, 8043), (2681, 7845), (3661, 5745)]