21450627

素因数分解:

$3^2\times {\mathrm{11}}^1\times {\mathrm{389}}^1\times {\mathrm{557}}^1$

素因数の和:963

約数の個数: 24

約数和(自身を含む): 33948720

約数和(自身を除く): 12498093

約数列:

[1, 3, 9, 11, 33, 99, 389, 557, 1167, 1671, 3501, 4279, 5013, 6127, 12837, 18381, 38511, 55143, 216673, 650019, 1950057, 2383403, 7150209, 21450627]

約数ペア:

[(1, 21450627), (3, 7150209), (9, 2383403), (11, 1950057), (33, 650019), (99, 216673), (389, 55143), (557, 38511), (1167, 18381), (1671, 12837), (3501, 6127), (4279, 5013)]