21730878

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{92867}}^1$

素因数の和:92888

約数の個数: 24

約数和(自身を含む): 50705928

約数和(自身を除く): 28975050

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 92867, 185734, 278601, 557202, 835803, 1207271, 1671606, 2414542, 3621813, 7243626, 10865439, 21730878]

約数ペア:

[(1, 21730878), (2, 10865439), (3, 7243626), (6, 3621813), (9, 2414542), (13, 1671606), (18, 1207271), (26, 835803), (39, 557202), (78, 278601), (117, 185734), (234, 92867)]