21064284

素因数分解:

$2^2\times 3^2\times {\mathrm{585119}}^1$

素因数の和:585129

約数の個数: 18

約数和(自身を含む): 53245920

約数和(自身を除く): 32181636

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 585119, 1170238, 1755357, 2340476, 3510714, 5266071, 7021428, 10532142, 21064284]

約数ペア:

[(1, 21064284), (2, 10532142), (3, 7021428), (4, 5266071), (6, 3510714), (9, 2340476), (12, 1755357), (18, 1170238), (36, 585119)]