21999448

素因数分解:

$2^3\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{367}}^1$

素因数の和:559

約数の個数: 32

約数和(自身を含む): 42393600

約数和(自身を除く): 20394152

約数列:

[1, 2, 4, 8, 59, 118, 127, 236, 254, 367, 472, 508, 734, 1016, 1468, 2936, 7493, 14986, 21653, 29972, 43306, 46609, 59944, 86612, 93218, 173224, 186436, 372872, 2749931, 5499862, 10999724, 21999448]

約数ペア:

[(1, 21999448), (2, 10999724), (4, 5499862), (8, 2749931), (59, 372872), (118, 186436), (127, 173224), (236, 93218), (254, 86612), (367, 59944), (472, 46609), (508, 43306), (734, 29972), (1016, 21653), (1468, 14986), (2936, 7493)]