21554734

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{223}}^1\times {\mathrm{1559}}^1$

素因数の和:1815

約数の個数: 16

約数和(自身を含む): 33546240

約数和(自身を除く): 11991506

約数列:

[1, 2, 31, 62, 223, 446, 1559, 3118, 6913, 13826, 48329, 96658, 347657, 695314, 10777367, 21554734]

約数ペア:

[(1, 21554734), (2, 10777367), (31, 695314), (62, 347657), (223, 96658), (446, 48329), (1559, 13826), (3118, 6913)]