21308436

素因数分解:

$2^2\times 3^2\times {\mathrm{591901}}^1$

素因数の和:591911

約数の個数: 18

約数和(自身を含む): 53863082

約数和(自身を除く): 32554646

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 591901, 1183802, 1775703, 2367604, 3551406, 5327109, 7102812, 10654218, 21308436]

約数ペア:

[(1, 21308436), (2, 10654218), (3, 7102812), (4, 5327109), (6, 3551406), (9, 2367604), (12, 1775703), (18, 1183802), (36, 591901)]