21418818

素因数分解:

$2^1\times 3^1\times {\mathrm{659}}^1\times {\mathrm{5417}}^1$

素因数の和:6081

約数の個数: 16

約数和(自身を含む): 42910560

約数和(自身を除く): 21491742

約数列:

[1, 2, 3, 6, 659, 1318, 1977, 3954, 5417, 10834, 16251, 32502, 3569803, 7139606, 10709409, 21418818]

約数ペア:

[(1, 21418818), (2, 10709409), (3, 7139606), (6, 3569803), (659, 32502), (1318, 16251), (1977, 10834), (3954, 5417)]