21446776

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{547}}^1$

素因数の和:608

約数の個数: 48

約数和(自身を含む): 45127800

約数和(自身を除く): 23681024

約数列:

[1, 2, 4, 8, 13, 26, 29, 52, 58, 104, 116, 169, 232, 338, 377, 547, 676, 754, 1094, 1352, 1508, 2188, 3016, 4376, 4901, 7111, 9802, 14222, 15863, 19604, 28444, 31726, 39208, 56888, 63452, 92443, 126904, 184886, 206219, 369772, 412438, 739544, 824876, 1649752, 2680847, 5361694, 10723388, 21446776]

約数ペア:

[(1, 21446776), (2, 10723388), (4, 5361694), (8, 2680847), (13, 1649752), (26, 824876), (29, 739544), (52, 412438), (58, 369772), (104, 206219), (116, 184886), (169, 126904), (232, 92443), (338, 63452), (377, 56888), (547, 39208), (676, 31726), (754, 28444), (1094, 19604), (1352, 15863), (1508, 14222), (2188, 9802), (3016, 7111), (4376, 4901)]