21989024

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{487}}^1$

素因数の和:597

約数の個数: 48

約数和(自身を含む): 46484928

約数和(自身を除く): 24495904

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 83, 136, 166, 272, 332, 487, 544, 664, 974, 1328, 1411, 1948, 2656, 2822, 3896, 5644, 7792, 8279, 11288, 15584, 16558, 22576, 33116, 40421, 45152, 66232, 80842, 132464, 161684, 264928, 323368, 646736, 687157, 1293472, 1374314, 2748628, 5497256, 10994512, 21989024]

約数ペア:

[(1, 21989024), (2, 10994512), (4, 5497256), (8, 2748628), (16, 1374314), (17, 1293472), (32, 687157), (34, 646736), (68, 323368), (83, 264928), (136, 161684), (166, 132464), (272, 80842), (332, 66232), (487, 45152), (544, 40421), (664, 33116), (974, 22576), (1328, 16558), (1411, 15584), (1948, 11288), (2656, 8279), (2822, 7792), (3896, 5644)]