21840335

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{13693}}^1$

素因数の和:13738

約数の個数: 16

約数和(自身を含む): 29579040

約数和(自身を除く): 7738705

約数列:

[1, 5, 11, 29, 55, 145, 319, 1595, 13693, 68465, 150623, 397097, 753115, 1985485, 4368067, 21840335]

約数ペア:

[(1, 21840335), (5, 4368067), (11, 1985485), (29, 753115), (55, 397097), (145, 150623), (319, 68465), (1595, 13693)]