21493504

素因数分解:

$2^8\times {\mathrm{113}}^1\times {\mathrm{743}}^1$

素因数の和:872

約数の個数: 36

約数和(自身を含む): 43340976

約数和(自身を除く): 21847472

約数列:

[1, 2, 4, 8, 16, 32, 64, 113, 128, 226, 256, 452, 743, 904, 1486, 1808, 2972, 3616, 5944, 7232, 11888, 14464, 23776, 28928, 47552, 83959, 95104, 167918, 190208, 335836, 671672, 1343344, 2686688, 5373376, 10746752, 21493504]

約数ペア:

[(1, 21493504), (2, 10746752), (4, 5373376), (8, 2686688), (16, 1343344), (32, 671672), (64, 335836), (113, 190208), (128, 167918), (226, 95104), (256, 83959), (452, 47552), (743, 28928), (904, 23776), (1486, 14464), (1808, 11888), (2972, 7232), (3616, 5944)]