21880218

素因数分解:

$2^1\times 3^1\times {\mathrm{1301}}^1\times {\mathrm{2803}}^1$

素因数の和:4109

約数の個数: 16

約数和(自身を含む): 43809696

約数和(自身を除く): 21929478

約数列:

[1, 2, 3, 6, 1301, 2602, 2803, 3903, 5606, 7806, 8409, 16818, 3646703, 7293406, 10940109, 21880218]

約数ペア:

[(1, 21880218), (2, 10940109), (3, 7293406), (6, 3646703), (1301, 16818), (2602, 8409), (2803, 7806), (3903, 5606)]