21852726

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{239}}^1\times {\mathrm{311}}^1$

素因数の和:569

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 29365194

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 239, 294, 311, 478, 622, 717, 933, 1434, 1673, 1866, 2177, 3346, 4354, 5019, 6531, 10038, 11711, 13062, 15239, 23422, 30478, 35133, 45717, 70266, 74329, 91434, 148658, 222987, 445974, 520303, 1040606, 1560909, 3121818, 3642121, 7284242, 10926363, 21852726]

約数ペア:

[(1, 21852726), (2, 10926363), (3, 7284242), (6, 3642121), (7, 3121818), (14, 1560909), (21, 1040606), (42, 520303), (49, 445974), (98, 222987), (147, 148658), (239, 91434), (294, 74329), (311, 70266), (478, 45717), (622, 35133), (717, 30478), (933, 23422), (1434, 15239), (1673, 13062), (1866, 11711), (2177, 10038), (3346, 6531), (4354, 5019)]