21903894

素因数分解:

$2^1\times 3^2\times {\mathrm{149}}^1\times {\mathrm{8167}}^1$

素因数の和:8324

約数の個数: 24

約数和(自身を含む): 47782800

約数和(自身を除く): 25878906

約数列:

[1, 2, 3, 6, 9, 18, 149, 298, 447, 894, 1341, 2682, 8167, 16334, 24501, 49002, 73503, 147006, 1216883, 2433766, 3650649, 7301298, 10951947, 21903894]

約数ペア:

[(1, 21903894), (2, 10951947), (3, 7301298), (6, 3650649), (9, 2433766), (18, 1216883), (149, 147006), (298, 73503), (447, 49002), (894, 24501), (1341, 16334), (2682, 8167)]