21541695

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{193}}^1\times {\mathrm{1063}}^1$

素因数の和:1271

約数の個数: 32

約数和(自身を含む): 39631872

約数和(自身を除く): 18090177

約数列:

[1, 3, 5, 7, 15, 21, 35, 105, 193, 579, 965, 1063, 1351, 2895, 3189, 4053, 5315, 6755, 7441, 15945, 20265, 22323, 37205, 111615, 205159, 615477, 1025795, 1436113, 3077385, 4308339, 7180565, 21541695]

約数ペア:

[(1, 21541695), (3, 7180565), (5, 4308339), (7, 3077385), (15, 1436113), (21, 1025795), (35, 615477), (105, 205159), (193, 111615), (579, 37205), (965, 22323), (1063, 20265), (1351, 15945), (2895, 7441), (3189, 6755), (4053, 5315)]