21057516

素因数分解:

$2^2\times 3^3\times {\mathrm{194977}}^1$

素因数の和:194990

約数の個数: 24

約数和(自身を含む): 54593840

約数和(自身を除く): 33536324

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 194977, 389954, 584931, 779908, 1169862, 1754793, 2339724, 3509586, 5264379, 7019172, 10528758, 21057516]

約数ペア:

[(1, 21057516), (2, 10528758), (3, 7019172), (4, 5264379), (6, 3509586), (9, 2339724), (12, 1754793), (18, 1169862), (27, 779908), (36, 584931), (54, 389954), (108, 194977)]