21444633

素因数分解:

$3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{20023}}^1$

素因数の和:20053

約数の個数: 24

約数和(自身を含む): 37484928

約数和(自身を除く): 16040295

約数列:

[1, 3, 7, 9, 17, 21, 51, 63, 119, 153, 357, 1071, 20023, 60069, 140161, 180207, 340391, 420483, 1021173, 1261449, 2382737, 3063519, 7148211, 21444633]

約数ペア:

[(1, 21444633), (3, 7148211), (7, 3063519), (9, 2382737), (17, 1261449), (21, 1021173), (51, 420483), (63, 340391), (119, 180207), (153, 140161), (357, 60069), (1071, 20023)]