21867228

素因数分解:

$2^2\times 3^2\times {\mathrm{607423}}^1$

素因数の和:607433

約数の個数: 18

約数和(自身を含む): 55275584

約数和(自身を除く): 33408356

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 607423, 1214846, 1822269, 2429692, 3644538, 5466807, 7289076, 10933614, 21867228]

約数ペア:

[(1, 21867228), (2, 10933614), (3, 7289076), (4, 5466807), (6, 3644538), (9, 2429692), (12, 1822269), (18, 1214846), (36, 607423)]