21603843

素因数分解:

$3^2\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{461}}^1$

素因数の和:635

約数の個数: 24

約数和(自身を含む): 32288256

約数和(自身を除く): 10684413

約数列:

[1, 3, 9, 41, 123, 127, 369, 381, 461, 1143, 1383, 4149, 5207, 15621, 18901, 46863, 56703, 58547, 170109, 175641, 526923, 2400427, 7201281, 21603843]

約数ペア:

[(1, 21603843), (3, 7201281), (9, 2400427), (41, 526923), (123, 175641), (127, 170109), (369, 58547), (381, 56703), (461, 46863), (1143, 18901), (1383, 15621), (4149, 5207)]