21887478

素因数分解:

$2^1\times 3^2\times {\mathrm{983}}^1\times {\mathrm{1237}}^1$

素因数の和:2228

約数の個数: 24

約数和(自身を含む): 47509488

約数和(自身を除く): 25622010

約数列:

[1, 2, 3, 6, 9, 18, 983, 1237, 1966, 2474, 2949, 3711, 5898, 7422, 8847, 11133, 17694, 22266, 1215971, 2431942, 3647913, 7295826, 10943739, 21887478]

約数ペア:

[(1, 21887478), (2, 10943739), (3, 7295826), (6, 3647913), (9, 2431942), (18, 1215971), (983, 22266), (1237, 17694), (1966, 11133), (2474, 8847), (2949, 7422), (3711, 5898)]