21817378

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{5479}}^1$

素因数の和:5673

約数の個数: 16

約数和(自身を含む): 35904960

約数和(自身を除く): 14087582

約数列:

[1, 2, 11, 22, 181, 362, 1991, 3982, 5479, 10958, 60269, 120538, 991699, 1983398, 10908689, 21817378]

約数ペア:

[(1, 21817378), (2, 10908689), (11, 1983398), (22, 991699), (181, 120538), (362, 60269), (1991, 10958), (3982, 5479)]