21161350

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{587}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 45497088

約数和(自身を除く): 24335738

約数列:

[1, 2, 5, 7, 10, 14, 25, 35, 50, 70, 103, 175, 206, 350, 515, 587, 721, 1030, 1174, 1442, 2575, 2935, 3605, 4109, 5150, 5870, 7210, 8218, 14675, 18025, 20545, 29350, 36050, 41090, 60461, 102725, 120922, 205450, 302305, 423227, 604610, 846454, 1511525, 2116135, 3023050, 4232270, 10580675, 21161350]

約数ペア:

[(1, 21161350), (2, 10580675), (5, 4232270), (7, 3023050), (10, 2116135), (14, 1511525), (25, 846454), (35, 604610), (50, 423227), (70, 302305), (103, 205450), (175, 120922), (206, 102725), (350, 60461), (515, 41090), (587, 36050), (721, 29350), (1030, 20545), (1174, 18025), (1442, 14675), (2575, 8218), (2935, 7210), (3605, 5870), (4109, 5150)]