21058312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{2467}}^1$

素因数の和:2581

約数の個数: 32

約数和(自身を含む): 43535520

約数和(自身を除く): 22477208

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 97, 194, 388, 776, 1067, 2134, 2467, 4268, 4934, 8536, 9868, 19736, 27137, 54274, 108548, 217096, 239299, 478598, 957196, 1914392, 2632289, 5264578, 10529156, 21058312]

約数ペア:

[(1, 21058312), (2, 10529156), (4, 5264578), (8, 2632289), (11, 1914392), (22, 957196), (44, 478598), (88, 239299), (97, 217096), (194, 108548), (388, 54274), (776, 27137), (1067, 19736), (2134, 9868), (2467, 8536), (4268, 4934)]