21153348

素因数分解:

$2^2\times 3^2\times {\mathrm{137}}^1\times {\mathrm{4289}}^1$

素因数の和:4436

約数の個数: 36

約数和(自身を含む): 53873820

約数和(自身を除く): 32720472

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 137, 274, 411, 548, 822, 1233, 1644, 2466, 4289, 4932, 8578, 12867, 17156, 25734, 38601, 51468, 77202, 154404, 587593, 1175186, 1762779, 2350372, 3525558, 5288337, 7051116, 10576674, 21153348]

約数ペア:

[(1, 21153348), (2, 10576674), (3, 7051116), (4, 5288337), (6, 3525558), (9, 2350372), (12, 1762779), (18, 1175186), (36, 587593), (137, 154404), (274, 77202), (411, 51468), (548, 38601), (822, 25734), (1233, 17156), (1644, 12867), (2466, 8578), (4289, 4932)]