21474255

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{130147}}^1$

素因数の和:130166

約数の個数: 16

約数和(自身を含む): 37482624

約数和(自身を除く): 16008369

約数列:

[1, 3, 5, 11, 15, 33, 55, 165, 130147, 390441, 650735, 1431617, 1952205, 4294851, 7158085, 21474255]

約数ペア:

[(1, 21474255), (3, 7158085), (5, 4294851), (11, 1952205), (15, 1431617), (33, 650735), (55, 390441), (165, 130147)]