21635416

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{5231}}^1$

素因数の和:5295

約数の個数: 32

約数和(自身を含む): 45204480

約数和(自身を除く): 23569064

約数列:

[1, 2, 4, 8, 11, 22, 44, 47, 88, 94, 188, 376, 517, 1034, 2068, 4136, 5231, 10462, 20924, 41848, 57541, 115082, 230164, 245857, 460328, 491714, 983428, 1966856, 2704427, 5408854, 10817708, 21635416]

約数ペア:

[(1, 21635416), (2, 10817708), (4, 5408854), (8, 2704427), (11, 1966856), (22, 983428), (44, 491714), (47, 460328), (88, 245857), (94, 230164), (188, 115082), (376, 57541), (517, 41848), (1034, 20924), (2068, 10462), (4136, 5231)]