21058956

素因数分解:

$2^2\times 3^2\times {\mathrm{584971}}^1$

素因数の和:584981

約数の個数: 18

約数和(自身を含む): 53232452

約数和(自身を除く): 32173496

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 584971, 1169942, 1754913, 2339884, 3509826, 5264739, 7019652, 10529478, 21058956]

約数ペア:

[(1, 21058956), (2, 10529478), (3, 7019652), (4, 5264739), (6, 3509826), (9, 2339884), (12, 1754913), (18, 1169942), (36, 584971)]