21847812

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1307}}^1$

素因数の和:1520

約数の個数: 48

約数和(自身を含む): 58598400

約数和(自身を除く): 36750588

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1307, 1393, 2388, 2614, 2786, 3921, 4179, 5228, 5572, 7842, 8358, 9149, 15684, 16716, 18298, 27447, 36596, 54894, 109788, 260093, 520186, 780279, 1040372, 1560558, 1820651, 3121116, 3641302, 5461953, 7282604, 10923906, 21847812]

約数ペア:

[(1, 21847812), (2, 10923906), (3, 7282604), (4, 5461953), (6, 3641302), (7, 3121116), (12, 1820651), (14, 1560558), (21, 1040372), (28, 780279), (42, 520186), (84, 260093), (199, 109788), (398, 54894), (597, 36596), (796, 27447), (1194, 18298), (1307, 16716), (1393, 15684), (2388, 9149), (2614, 8358), (2786, 7842), (3921, 5572), (4179, 5228)]