21223496

素因数分解:

$2^3\times 7^1\times {\mathrm{37}}^1\times {\mathrm{10243}}^1$

素因数の和:10293

約数の個数: 32

約数和(自身を含む): 46712640

約数和(自身を除く): 25489144

約数列:

[1, 2, 4, 7, 8, 14, 28, 37, 56, 74, 148, 259, 296, 518, 1036, 2072, 10243, 20486, 40972, 71701, 81944, 143402, 286804, 378991, 573608, 757982, 1515964, 2652937, 3031928, 5305874, 10611748, 21223496]

約数ペア:

[(1, 21223496), (2, 10611748), (4, 5305874), (7, 3031928), (8, 2652937), (14, 1515964), (28, 757982), (37, 573608), (56, 378991), (74, 286804), (148, 143402), (259, 81944), (296, 71701), (518, 40972), (1036, 20486), (2072, 10243)]