21951040

素因数分解:

$2^6\times 5^1\times {\mathrm{68597}}^1$

素因数の和:68614

約数の個数: 28

約数和(自身を含む): 52271676

約数和(自身を除く): 30320636

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 68597, 137194, 274388, 342985, 548776, 685970, 1097552, 1371940, 2195104, 2743880, 4390208, 5487760, 10975520, 21951040]

約数ペア:

[(1, 21951040), (2, 10975520), (4, 5487760), (5, 4390208), (8, 2743880), (10, 2195104), (16, 1371940), (20, 1097552), (32, 685970), (40, 548776), (64, 342985), (80, 274388), (160, 137194), (320, 68597)]