21818854

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{163}}^1$

素因数の和:340

約数の個数: 32

約数和(自身を含む): 36274176

約数和(自身を除く): 14455322

約数列:

[1, 2, 17, 31, 34, 62, 127, 163, 254, 326, 527, 1054, 2159, 2771, 3937, 4318, 5053, 5542, 7874, 10106, 20701, 41402, 66929, 85901, 133858, 171802, 351917, 641731, 703834, 1283462, 10909427, 21818854]

約数ペア:

[(1, 21818854), (2, 10909427), (17, 1283462), (31, 703834), (34, 641731), (62, 351917), (127, 171802), (163, 133858), (254, 85901), (326, 66929), (527, 41402), (1054, 20701), (2159, 10106), (2771, 7874), (3937, 5542), (4318, 5053)]