21310095

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{193}}^1\times {\mathrm{433}}^1$

素因数の和:651

約数の個数: 32

約数和(自身を含む): 36372672

約数和(自身を除く): 15062577

約数列:

[1, 3, 5, 15, 17, 51, 85, 193, 255, 433, 579, 965, 1299, 2165, 2895, 3281, 6495, 7361, 9843, 16405, 22083, 36805, 49215, 83569, 110415, 250707, 417845, 1253535, 1420673, 4262019, 7103365, 21310095]

約数ペア:

[(1, 21310095), (3, 7103365), (5, 4262019), (15, 1420673), (17, 1253535), (51, 417845), (85, 250707), (193, 110415), (255, 83569), (433, 49215), (579, 36805), (965, 22083), (1299, 16405), (2165, 9843), (2895, 7361), (3281, 6495)]