21376672

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{35159}}^1$

素因数の和:35188

約数の個数: 24

約数和(自身を含む): 44301600

約数和(自身を除く): 22924928

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 76, 152, 304, 608, 35159, 70318, 140636, 281272, 562544, 668021, 1125088, 1336042, 2672084, 5344168, 10688336, 21376672]

約数ペア:

[(1, 21376672), (2, 10688336), (4, 5344168), (8, 2672084), (16, 1336042), (19, 1125088), (32, 668021), (38, 562544), (76, 281272), (152, 140636), (304, 70318), (608, 35159)]