21189135

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{2423}}^1$

素因数の和:2495

約数の個数: 32

約数和(自身を含む): 37698048

約数和(自身を除く): 16508913

約数列:

[1, 3, 5, 11, 15, 33, 53, 55, 159, 165, 265, 583, 795, 1749, 2423, 2915, 7269, 8745, 12115, 26653, 36345, 79959, 128419, 133265, 385257, 399795, 642095, 1412609, 1926285, 4237827, 7063045, 21189135]

約数ペア:

[(1, 21189135), (3, 7063045), (5, 4237827), (11, 1926285), (15, 1412609), (33, 642095), (53, 399795), (55, 385257), (159, 133265), (165, 128419), (265, 79959), (583, 36345), (795, 26653), (1749, 12115), (2423, 8745), (2915, 7269)]