21742490

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{151}}^1$

素因数の和:204

約数の個数: 96

約数和(自身を含む): 52399872

約数和(自身を除く): 30657382

約数列:

[1, 2, 5, 7, 10, 11, 14, 17, 22, 34, 35, 55, 70, 77, 85, 110, 119, 121, 151, 154, 170, 187, 238, 242, 302, 374, 385, 595, 605, 755, 770, 847, 935, 1057, 1190, 1210, 1309, 1510, 1661, 1694, 1870, 2057, 2114, 2567, 2618, 3322, 4114, 4235, 5134, 5285, 6545, 8305, 8470, 10285, 10570, 11627, 12835, 13090, 14399, 16610, 17969, 18271, 20570, 23254, 25670, 28237, 28798, 35938, 36542, 56474, 58135, 71995, 89845, 91355, 116270, 127897, 141185, 143990, 179690, 182710, 197659, 255794, 282370, 310607, 395318, 621214, 639485, 988295, 1278970, 1553035, 1976590, 2174249, 3106070, 4348498, 10871245, 21742490]

約数ペア:

[(1, 21742490), (2, 10871245), (5, 4348498), (7, 3106070), (10, 2174249), (11, 1976590), (14, 1553035), (17, 1278970), (22, 988295), (34, 639485), (35, 621214), (55, 395318), (70, 310607), (77, 282370), (85, 255794), (110, 197659), (119, 182710), (121, 179690), (151, 143990), (154, 141185), (170, 127897), (187, 116270), (238, 91355), (242, 89845), (302, 71995), (374, 58135), (385, 56474), (595, 36542), (605, 35938), (755, 28798), (770, 28237), (847, 25670), (935, 23254), (1057, 20570), (1190, 18271), (1210, 17969), (1309, 16610), (1510, 14399), (1661, 13090), (1694, 12835), (1870, 11627), (2057, 10570), (2114, 10285), (2567, 8470), (2618, 8305), (3322, 6545), (4114, 5285), (4235, 5134)]