21015092

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{12721}}^1$

素因数の和:12791

約数の個数: 24

約数和(自身を含む): 42745920

約数和(自身を除く): 21730828

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 236, 413, 826, 1652, 12721, 25442, 50884, 89047, 178094, 356188, 750539, 1501078, 3002156, 5253773, 10507546, 21015092]

約数ペア:

[(1, 21015092), (2, 10507546), (4, 5253773), (7, 3002156), (14, 1501078), (28, 750539), (59, 356188), (118, 178094), (236, 89047), (413, 50884), (826, 25442), (1652, 12721)]