21221548

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{251}}^1\times {\mathrm{919}}^1$

素因数の和:1197

約数の個数: 24

約数和(自身を含む): 38949120

約数和(自身を除く): 17727572

約数列:

[1, 2, 4, 23, 46, 92, 251, 502, 919, 1004, 1838, 3676, 5773, 11546, 21137, 23092, 42274, 84548, 230669, 461338, 922676, 5305387, 10610774, 21221548]

約数ペア:

[(1, 21221548), (2, 10610774), (4, 5305387), (23, 922676), (46, 461338), (92, 230669), (251, 84548), (502, 42274), (919, 23092), (1004, 21137), (1838, 11546), (3676, 5773)]