21022515

素因数分解:

$3^2\times 5^1\times {\mathrm{463}}^1\times {\mathrm{1009}}^1$

素因数の和:1483

約数の個数: 24

約数和(自身を含む): 36553920

約数和(自身を除く): 15531405

約数列:

[1, 3, 5, 9, 15, 45, 463, 1009, 1389, 2315, 3027, 4167, 5045, 6945, 9081, 15135, 20835, 45405, 467167, 1401501, 2335835, 4204503, 7007505, 21022515]

約数ペア:

[(1, 21022515), (3, 7007505), (5, 4204503), (9, 2335835), (15, 1401501), (45, 467167), (463, 45405), (1009, 20835), (1389, 15135), (2315, 9081), (3027, 6945), (4167, 5045)]