21030204

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1193}}^1$

素因数の和:1326

約数の個数: 48

約数和(自身を含む): 53357472

約数和(自身を除く): 32327268

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 113, 156, 226, 339, 452, 678, 1193, 1356, 1469, 2386, 2938, 3579, 4407, 4772, 5876, 7158, 8814, 14316, 15509, 17628, 31018, 46527, 62036, 93054, 134809, 186108, 269618, 404427, 539236, 808854, 1617708, 1752517, 3505034, 5257551, 7010068, 10515102, 21030204]

約数ペア:

[(1, 21030204), (2, 10515102), (3, 7010068), (4, 5257551), (6, 3505034), (12, 1752517), (13, 1617708), (26, 808854), (39, 539236), (52, 404427), (78, 269618), (113, 186108), (156, 134809), (226, 93054), (339, 62036), (452, 46527), (678, 31018), (1193, 17628), (1356, 15509), (1469, 14316), (2386, 8814), (2938, 7158), (3579, 5876), (4407, 4772)]