21177832

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{269}}^1\times {\mathrm{757}}^1$

素因数の和:1045

約数の個数: 32

約数和(自身を含む): 42978600

約数和(自身を除く): 21800768

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 269, 538, 757, 1076, 1514, 2152, 3028, 3497, 6056, 6994, 9841, 13988, 19682, 27976, 39364, 78728, 203633, 407266, 814532, 1629064, 2647229, 5294458, 10588916, 21177832]

約数ペア:

[(1, 21177832), (2, 10588916), (4, 5294458), (8, 2647229), (13, 1629064), (26, 814532), (52, 407266), (104, 203633), (269, 78728), (538, 39364), (757, 27976), (1076, 19682), (1514, 13988), (2152, 9841), (3028, 6994), (3497, 6056)]