21874578

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{271}}^1\times {\mathrm{1223}}^1$

素因数の和:1510

約数の個数: 32

約数和(自身を含む): 47941632

約数和(自身を除く): 26067054

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 271, 542, 813, 1223, 1626, 2446, 2981, 3669, 5962, 7338, 8943, 13453, 17886, 26906, 40359, 80718, 331433, 662866, 994299, 1988598, 3645763, 7291526, 10937289, 21874578]

約数ペア:

[(1, 21874578), (2, 10937289), (3, 7291526), (6, 3645763), (11, 1988598), (22, 994299), (33, 662866), (66, 331433), (271, 80718), (542, 40359), (813, 26906), (1223, 17886), (1626, 13453), (2446, 8943), (2981, 7338), (3669, 5962)]