21638088

素因数分解:

$2^3\times 3^2\times {\mathrm{397}}^1\times {\mathrm{757}}^1$

素因数の和:1166

約数の個数: 48

約数和(自身を含む): 58828380

約数和(自身を除く): 37190292

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 397, 757, 794, 1191, 1514, 1588, 2271, 2382, 3028, 3176, 3573, 4542, 4764, 6056, 6813, 7146, 9084, 9528, 13626, 14292, 18168, 27252, 28584, 54504, 300529, 601058, 901587, 1202116, 1803174, 2404232, 2704761, 3606348, 5409522, 7212696, 10819044, 21638088]

約数ペア:

[(1, 21638088), (2, 10819044), (3, 7212696), (4, 5409522), (6, 3606348), (8, 2704761), (9, 2404232), (12, 1803174), (18, 1202116), (24, 901587), (36, 601058), (72, 300529), (397, 54504), (757, 28584), (794, 27252), (1191, 18168), (1514, 14292), (1588, 13626), (2271, 9528), (2382, 9084), (3028, 7146), (3176, 6813), (3573, 6056), (4542, 4764)]