21174230

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{257}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 48148992

約数和(自身を除く): 26974762

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 107, 110, 154, 214, 257, 385, 514, 535, 749, 770, 1070, 1177, 1285, 1498, 1799, 2354, 2570, 2827, 3598, 3745, 5654, 5885, 7490, 8239, 8995, 11770, 14135, 16478, 17990, 19789, 27499, 28270, 39578, 41195, 54998, 82390, 98945, 137495, 192493, 197890, 274990, 302489, 384986, 604978, 962465, 1512445, 1924930, 2117423, 3024890, 4234846, 10587115, 21174230]

約数ペア:

[(1, 21174230), (2, 10587115), (5, 4234846), (7, 3024890), (10, 2117423), (11, 1924930), (14, 1512445), (22, 962465), (35, 604978), (55, 384986), (70, 302489), (77, 274990), (107, 197890), (110, 192493), (154, 137495), (214, 98945), (257, 82390), (385, 54998), (514, 41195), (535, 39578), (749, 28270), (770, 27499), (1070, 19789), (1177, 17990), (1285, 16478), (1498, 14135), (1799, 11770), (2354, 8995), (2570, 8239), (2827, 7490), (3598, 5885), (3745, 5654)]