21344486

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:141

約数の個数: 48

約数和(自身を含む): 37526976

約数和(自身を除く): 16182490

約数列:

[1, 2, 17, 19, 34, 37, 38, 47, 74, 94, 323, 361, 629, 646, 703, 722, 799, 893, 1258, 1406, 1598, 1739, 1786, 3478, 6137, 11951, 12274, 13357, 15181, 16967, 23902, 26714, 29563, 30362, 33041, 33934, 59126, 66082, 227069, 288439, 454138, 561697, 576878, 627779, 1123394, 1255558, 10672243, 21344486]

約数ペア:

[(1, 21344486), (2, 10672243), (17, 1255558), (19, 1123394), (34, 627779), (37, 576878), (38, 561697), (47, 454138), (74, 288439), (94, 227069), (323, 66082), (361, 59126), (629, 33934), (646, 33041), (703, 30362), (722, 29563), (799, 26714), (893, 23902), (1258, 16967), (1406, 15181), (1598, 13357), (1739, 12274), (1786, 11951), (3478, 6137)]