21646702

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{131}}^1$

素因数の和:217

約数の個数: 64

約数和(自身を含む): 43338240

約数和(自身を除く): 21691538

約数列:

[1, 2, 7, 11, 14, 22, 29, 37, 58, 74, 77, 131, 154, 203, 259, 262, 319, 406, 407, 518, 638, 814, 917, 1073, 1441, 1834, 2146, 2233, 2849, 2882, 3799, 4466, 4847, 5698, 7511, 7598, 9694, 10087, 11803, 15022, 20174, 23606, 26593, 33929, 41789, 53186, 53317, 67858, 82621, 83578, 106634, 140563, 165242, 281126, 292523, 373219, 585046, 746438, 983941, 1546193, 1967882, 3092386, 10823351, 21646702]

約数ペア:

[(1, 21646702), (2, 10823351), (7, 3092386), (11, 1967882), (14, 1546193), (22, 983941), (29, 746438), (37, 585046), (58, 373219), (74, 292523), (77, 281126), (131, 165242), (154, 140563), (203, 106634), (259, 83578), (262, 82621), (319, 67858), (406, 53317), (407, 53186), (518, 41789), (638, 33929), (814, 26593), (917, 23606), (1073, 20174), (1441, 15022), (1834, 11803), (2146, 10087), (2233, 9694), (2849, 7598), (2882, 7511), (3799, 5698), (4466, 4847)]