21639808

素因数分解:

$2^7\times {\mathrm{293}}^1\times {\mathrm{577}}^1$

素因数の和:884

約数の個数: 32

約数和(自身を含む): 43332660

約数和(自身を除く): 21692852

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 293, 577, 586, 1154, 1172, 2308, 2344, 4616, 4688, 9232, 9376, 18464, 18752, 36928, 37504, 73856, 169061, 338122, 676244, 1352488, 2704976, 5409952, 10819904, 21639808]

約数ペア:

[(1, 21639808), (2, 10819904), (4, 5409952), (8, 2704976), (16, 1352488), (32, 676244), (64, 338122), (128, 169061), (293, 73856), (577, 37504), (586, 36928), (1154, 18752), (1172, 18464), (2308, 9376), (2344, 9232), (4616, 4688)]