21666050

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{601}}^1$

素因数の和:723

約数の個数: 48

約数和(自身を含む): 46580352

約数和(自身を除く): 24914302

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 175, 206, 350, 515, 601, 721, 1030, 1202, 1442, 2575, 3005, 3605, 4207, 5150, 6010, 7210, 8414, 15025, 18025, 21035, 30050, 36050, 42070, 61903, 105175, 123806, 210350, 309515, 433321, 619030, 866642, 1547575, 2166605, 3095150, 4333210, 10833025, 21666050]

約数ペア:

[(1, 21666050), (2, 10833025), (5, 4333210), (7, 3095150), (10, 2166605), (14, 1547575), (25, 866642), (35, 619030), (50, 433321), (70, 309515), (103, 210350), (175, 123806), (206, 105175), (350, 61903), (515, 42070), (601, 36050), (721, 30050), (1030, 21035), (1202, 18025), (1442, 15025), (2575, 8414), (3005, 7210), (3605, 6010), (4207, 5150)]