21277454

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{467}}^1$

素因数の和:608

約数の個数: 32

約数和(自身を含む): 37065600

約数和(自身を除く): 15788146

約数列:

[1, 2, 11, 19, 22, 38, 109, 209, 218, 418, 467, 934, 1199, 2071, 2398, 4142, 5137, 8873, 10274, 17746, 22781, 45562, 50903, 97603, 101806, 195206, 559933, 967157, 1119866, 1934314, 10638727, 21277454]

約数ペア:

[(1, 21277454), (2, 10638727), (11, 1934314), (19, 1119866), (22, 967157), (38, 559933), (109, 195206), (209, 101806), (218, 97603), (418, 50903), (467, 45562), (934, 22781), (1199, 17746), (2071, 10274), (2398, 8873), (4142, 5137)]