2021071509

素因数分解:

$3^2\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{101}}^1\times {\mathrm{1783}}^1$

素因数の和:1962

約数の個数: 48

約数和(自身を含む): 3122570880

約数和(自身を除く): 1101499371

約数列:

[1, 3, 9, 29, 43, 87, 101, 129, 261, 303, 387, 909, 1247, 1783, 2929, 3741, 4343, 5349, 8787, 11223, 13029, 16047, 26361, 39087, 51707, 76669, 125947, 155121, 180083, 230007, 377841, 465363, 540249, 690021, 1133523, 1620747, 2223401, 5222407, 6670203, 7743569, 15667221, 20010609, 23230707, 47001663, 69692121, 224563501, 673690503, 2021071509]

約数ペア:

[(1, 2021071509), (3, 673690503), (9, 224563501), (29, 69692121), (43, 47001663), (87, 23230707), (101, 20010609), (129, 15667221), (261, 7743569), (303, 6670203), (387, 5222407), (909, 2223401), (1247, 1620747), (1783, 1133523), (2929, 690021), (3741, 540249), (4343, 465363), (5349, 377841), (8787, 230007), (11223, 180083), (13029, 155121), (16047, 125947), (26361, 76669), (39087, 51707)]