210910399

素因数分解:

$7^1\times {\mathrm{43}}^1\times {\mathrm{71}}^2\times {\mathrm{139}}^1$

素因数の和:331

約数の個数: 24

約数和(自身を含む): 251968640

約数和(自身を除く): 41058241

約数列:

[1, 7, 43, 71, 139, 301, 497, 973, 3053, 5041, 5977, 9869, 21371, 35287, 41839, 69083, 216763, 424367, 700699, 1517341, 2970569, 4904893, 30130057, 210910399]

約数ペア:

[(1, 210910399), (7, 30130057), (43, 4904893), (71, 2970569), (139, 1517341), (301, 700699), (497, 424367), (973, 216763), (3053, 69083), (5041, 41839), (5977, 35287), (9869, 21371)]