21918512

素因数分解:

$2^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{17791}}^1$

素因数の和:17817

約数の個数: 40

約数和(自身を含む): 52948992

約数和(自身を除く): 31030480

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 44, 56, 77, 88, 112, 154, 176, 308, 616, 1232, 17791, 35582, 71164, 124537, 142328, 195701, 249074, 284656, 391402, 498148, 782804, 996296, 1369907, 1565608, 1992592, 2739814, 3131216, 5479628, 10959256, 21918512]

約数ペア:

[(1, 21918512), (2, 10959256), (4, 5479628), (7, 3131216), (8, 2739814), (11, 1992592), (14, 1565608), (16, 1369907), (22, 996296), (28, 782804), (44, 498148), (56, 391402), (77, 284656), (88, 249074), (112, 195701), (154, 142328), (176, 124537), (308, 71164), (616, 35582), (1232, 17791)]