21306210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{710207}}^1$

素因数の和:710217

約数の個数: 16

約数和(自身を含む): 51134976

約数和(自身を除く): 29828766

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 710207, 1420414, 2130621, 3551035, 4261242, 7102070, 10653105, 21306210]

約数ペア:

[(1, 21306210), (2, 10653105), (3, 7102070), (5, 4261242), (6, 3551035), (10, 2130621), (15, 1420414), (30, 710207)]