21084783

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^2\times {\mathrm{113}}^1$

素因数の和:235

約数の個数: 24

約数和(自身を含む): 29856144

約数和(自身を除く): 8771361

約数列:

[1, 3, 37, 41, 111, 113, 123, 339, 1517, 1681, 4181, 4551, 4633, 5043, 12543, 13899, 62197, 171421, 186591, 189953, 514263, 569859, 7028261, 21084783]

約数ペア:

[(1, 21084783), (3, 7028261), (37, 569859), (41, 514263), (111, 189953), (113, 186591), (123, 171421), (339, 62197), (1517, 13899), (1681, 12543), (4181, 5043), (4551, 4633)]