21799118

素因数分解:

$2^1\times {\mathrm{11}}^3\times {\mathrm{19}}^1\times {\mathrm{431}}^1$

素因数の和:485

約数の個数: 32

約数和(自身を含む): 37946880

約数和(自身を除く): 16147762

約数列:

[1, 2, 11, 19, 22, 38, 121, 209, 242, 418, 431, 862, 1331, 2299, 2662, 4598, 4741, 8189, 9482, 16378, 25289, 50578, 52151, 90079, 104302, 180158, 573661, 990869, 1147322, 1981738, 10899559, 21799118]

約数ペア:

[(1, 21799118), (2, 10899559), (11, 1981738), (19, 1147322), (22, 990869), (38, 573661), (121, 180158), (209, 104302), (242, 90079), (418, 52151), (431, 50578), (862, 25289), (1331, 16378), (2299, 9482), (2662, 8189), (4598, 4741)]