21731150

素因数分解:

$2^1\times 5^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{2141}}^1$

素因数の和:2189

約数の個数: 48

約数和(自身を含む): 47809440

約数和(自身を除く): 26078290

約数列:

[1, 2, 5, 7, 10, 14, 25, 29, 35, 50, 58, 70, 145, 175, 203, 290, 350, 406, 725, 1015, 1450, 2030, 2141, 4282, 5075, 10150, 10705, 14987, 21410, 29974, 53525, 62089, 74935, 107050, 124178, 149870, 310445, 374675, 434623, 620890, 749350, 869246, 1552225, 2173115, 3104450, 4346230, 10865575, 21731150]

約数ペア:

[(1, 21731150), (2, 10865575), (5, 4346230), (7, 3104450), (10, 2173115), (14, 1552225), (25, 869246), (29, 749350), (35, 620890), (50, 434623), (58, 374675), (70, 310445), (145, 149870), (175, 124178), (203, 107050), (290, 74935), (350, 62089), (406, 53525), (725, 29974), (1015, 21410), (1450, 14987), (2030, 10705), (2141, 10150), (4282, 5075)]