21655370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^3\times {\mathrm{1627}}^1$

素因数の和:1667

約数の個数: 32

約数和(自身を含む): 42901056

約数和(自身を除く): 21245686

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1331, 1627, 2662, 3254, 6655, 8135, 13310, 16270, 17897, 35794, 89485, 178970, 196867, 393734, 984335, 1968670, 2165537, 4331074, 10827685, 21655370]

約数ペア:

[(1, 21655370), (2, 10827685), (5, 4331074), (10, 2165537), (11, 1968670), (22, 984335), (55, 393734), (110, 196867), (121, 178970), (242, 89485), (605, 35794), (1210, 17897), (1331, 16270), (1627, 13310), (2662, 8135), (3254, 6655)]