21233485

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2029}}^1$

素因数の和:2077

約数の個数: 32

約数和(自身を含む): 32739840

約数和(自身を除く): 11506355

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2029, 2093, 10145, 10465, 14203, 26377, 46667, 71015, 131885, 184639, 233335, 326669, 606671, 923195, 1633345, 3033355, 4246697, 21233485]

約数ペア:

[(1, 21233485), (5, 4246697), (7, 3033355), (13, 1633345), (23, 923195), (35, 606671), (65, 326669), (91, 233335), (115, 184639), (161, 131885), (299, 71015), (455, 46667), (805, 26377), (1495, 14203), (2029, 10465), (2093, 10145)]