21857304

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{463}}^1$

素因数の和:760

約数の個数: 64

約数和(自身を含む): 62807040

約数和(自身を除く): 40949736

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 281, 463, 562, 843, 926, 1124, 1389, 1686, 1852, 1967, 2248, 2778, 3241, 3372, 3704, 3934, 5556, 5901, 6482, 6744, 7868, 9723, 11112, 11802, 12964, 15736, 19446, 23604, 25928, 38892, 47208, 77784, 130103, 260206, 390309, 520412, 780618, 910721, 1040824, 1561236, 1821442, 2732163, 3122472, 3642884, 5464326, 7285768, 10928652, 21857304]

約数ペア:

[(1, 21857304), (2, 10928652), (3, 7285768), (4, 5464326), (6, 3642884), (7, 3122472), (8, 2732163), (12, 1821442), (14, 1561236), (21, 1040824), (24, 910721), (28, 780618), (42, 520412), (56, 390309), (84, 260206), (168, 130103), (281, 77784), (463, 47208), (562, 38892), (843, 25928), (926, 23604), (1124, 19446), (1389, 15736), (1686, 12964), (1852, 11802), (1967, 11112), (2248, 9723), (2778, 7868), (3241, 6744), (3372, 6482), (3704, 5901), (3934, 5556)]