21186970

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{313}}^1\times {\mathrm{967}}^1$

素因数の和:1294

約数の個数: 32

約数和(自身を含む): 43769088

約数和(自身を除く): 22582118

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 313, 626, 967, 1565, 1934, 2191, 3130, 4382, 4835, 6769, 9670, 10955, 13538, 21910, 33845, 67690, 302671, 605342, 1513355, 2118697, 3026710, 4237394, 10593485, 21186970]

約数ペア:

[(1, 21186970), (2, 10593485), (5, 4237394), (7, 3026710), (10, 2118697), (14, 1513355), (35, 605342), (70, 302671), (313, 67690), (626, 33845), (967, 21910), (1565, 13538), (1934, 10955), (2191, 9670), (3130, 6769), (4382, 4835)]