21440896

素因数分解:

$2^7\times {\mathrm{191}}^1\times {\mathrm{877}}^1$

素因数の和:1082

約数の個数: 32

約数和(自身を含む): 42986880

約数和(自身を除く): 21545984

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 191, 382, 764, 877, 1528, 1754, 3056, 3508, 6112, 7016, 12224, 14032, 24448, 28064, 56128, 112256, 167507, 335014, 670028, 1340056, 2680112, 5360224, 10720448, 21440896]

約数ペア:

[(1, 21440896), (2, 10720448), (4, 5360224), (8, 2680112), (16, 1340056), (32, 670028), (64, 335014), (128, 167507), (191, 112256), (382, 56128), (764, 28064), (877, 24448), (1528, 14032), (1754, 12224), (3056, 7016), (3508, 6112)]