21256070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1597}}^1$

素因数の和:1637

約数の個数: 32

約数和(自身を含む): 42110496

約数和(自身を除く): 20854426

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1597, 2662, 3194, 6655, 7985, 13310, 15970, 17567, 35134, 87835, 175670, 193237, 386474, 966185, 1932370, 2125607, 4251214, 10628035, 21256070]

約数ペア:

[(1, 21256070), (2, 10628035), (5, 4251214), (10, 2125607), (11, 1932370), (22, 966185), (55, 386474), (110, 193237), (121, 175670), (242, 87835), (605, 35134), (1210, 17567), (1331, 15970), (1597, 13310), (2662, 7985), (3194, 6655)]