21988690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95603}}^1$

素因数の和:95633

約数の個数: 16

約数和(自身を含む): 41300928

約数和(自身を除く): 19312238

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95603, 191206, 478015, 956030, 2198869, 4397738, 10994345, 21988690]

約数ペア:

[(1, 21988690), (2, 10994345), (5, 4397738), (10, 2198869), (23, 956030), (46, 478015), (115, 191206), (230, 95603)]