21660714

素因数分解:

$2^1\times 3^2\times {\mathrm{1091}}^1\times {\mathrm{1103}}^1$

素因数の和:2202

約数の個数: 24

約数和(自身を含む): 47017152

約数和(自身を除く): 25356438

約数列:

[1, 2, 3, 6, 9, 18, 1091, 1103, 2182, 2206, 3273, 3309, 6546, 6618, 9819, 9927, 19638, 19854, 1203373, 2406746, 3610119, 7220238, 10830357, 21660714]

約数ペア:

[(1, 21660714), (2, 10830357), (3, 7220238), (6, 3610119), (9, 2406746), (18, 1203373), (1091, 19854), (1103, 19638), (2182, 9927), (2206, 9819), (3273, 6618), (3309, 6546)]