21000751882

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{719}}^1\times {\mathrm{2693}}^1$

素因数の和:3471

約数の個数: 64

約数和(自身を含む): 37707379200

約数和(自身を除く): 16706627318

約数列:

[1, 2, 11, 17, 22, 29, 34, 58, 187, 319, 374, 493, 638, 719, 986, 1438, 2693, 5386, 5423, 7909, 10846, 12223, 15818, 20851, 24446, 29623, 41702, 45781, 59246, 78097, 91562, 134453, 156194, 229361, 268906, 354467, 458722, 503591, 708934, 859067, 1007182, 1327649, 1718134, 1936267, 2655298, 3872534, 3899137, 7798274, 14604139, 21298937, 29208278, 32916539, 42597874, 56151743, 65833078, 112303486, 362081929, 617669173, 724163858, 954579631, 1235338346, 1909159262, 10500375941, 21000751882]

約数ペア:

[(1, 21000751882), (2, 10500375941), (11, 1909159262), (17, 1235338346), (22, 954579631), (29, 724163858), (34, 617669173), (58, 362081929), (187, 112303486), (319, 65833078), (374, 56151743), (493, 42597874), (638, 32916539), (719, 29208278), (986, 21298937), (1438, 14604139), (2693, 7798274), (5386, 3899137), (5423, 3872534), (7909, 2655298), (10846, 1936267), (12223, 1718134), (15818, 1327649), (20851, 1007182), (24446, 859067), (29623, 708934), (41702, 503591), (45781, 458722), (59246, 354467), (78097, 268906), (91562, 229361), (134453, 156194)]