21253842

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{69457}}^1$

素因数の和:69482

約数の個数: 24

約数和(自身を含む): 48759516

約数和(自身を除く): 27505674

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 306, 69457, 138914, 208371, 416742, 625113, 1180769, 1250226, 2361538, 3542307, 7084614, 10626921, 21253842]

約数ペア:

[(1, 21253842), (2, 10626921), (3, 7084614), (6, 3542307), (9, 2361538), (17, 1250226), (18, 1180769), (34, 625113), (51, 416742), (102, 208371), (153, 138914), (306, 69457)]