21611528

素因数分解:

$2^3\times {\mathrm{811}}^1\times {\mathrm{3331}}^1$

素因数の和:4148

約数の個数: 16

約数和(自身を含む): 40583760

約数和(自身を除く): 18972232

約数列:

[1, 2, 4, 8, 811, 1622, 3244, 3331, 6488, 6662, 13324, 26648, 2701441, 5402882, 10805764, 21611528]

約数ペア:

[(1, 21611528), (2, 10805764), (4, 5402882), (8, 2701441), (811, 26648), (1622, 13324), (3244, 6662), (3331, 6488)]