21485576

素因数分解:

$2^3\times 7^1\times {\mathrm{593}}^1\times {\mathrm{647}}^1$

素因数の和:1253

約数の個数: 32

約数和(自身を含む): 46189440

約数和(自身を除く): 24703864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 593, 647, 1186, 1294, 2372, 2588, 4151, 4529, 4744, 5176, 8302, 9058, 16604, 18116, 33208, 36232, 383671, 767342, 1534684, 2685697, 3069368, 5371394, 10742788, 21485576]

約数ペア:

[(1, 21485576), (2, 10742788), (4, 5371394), (7, 3069368), (8, 2685697), (14, 1534684), (28, 767342), (56, 383671), (593, 36232), (647, 33208), (1186, 18116), (1294, 16604), (2372, 9058), (2588, 8302), (4151, 5176), (4529, 4744)]