21589295

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{2063}}^1$

素因数の和:2111

約数の個数: 32

約数和(自身を含む): 33288192

約数和(自身を除く): 11698897

約数列:

[1, 5, 7, 13, 23, 35, 65, 91, 115, 161, 299, 455, 805, 1495, 2063, 2093, 10315, 10465, 14441, 26819, 47449, 72205, 134095, 187733, 237245, 332143, 616837, 938665, 1660715, 3084185, 4317859, 21589295]

約数ペア:

[(1, 21589295), (5, 4317859), (7, 3084185), (13, 1660715), (23, 938665), (35, 616837), (65, 332143), (91, 237245), (115, 187733), (161, 134095), (299, 72205), (455, 47449), (805, 26819), (1495, 14441), (2063, 10465), (2093, 10315)]