21232155

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{433}}^1\times {\mathrm{467}}^1$

素因数の和:915

約数の個数: 32

約数和(自身を含む): 38997504

約数和(自身を除く): 17765349

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 433, 467, 1299, 1401, 2165, 2335, 3031, 3269, 6495, 7005, 9093, 9807, 15155, 16345, 45465, 49035, 202211, 606633, 1011055, 1415477, 3033165, 4246431, 7077385, 21232155]

約数ペア:

[(1, 21232155), (3, 7077385), (5, 4246431), (7, 3033165), (15, 1415477), (21, 1011055), (35, 606633), (105, 202211), (433, 49035), (467, 45465), (1299, 16345), (1401, 15155), (2165, 9807), (2335, 9093), (3031, 7005), (3269, 6495)]