21938936

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{317}}^1$

素因数の和:575

約数の個数: 32

約数和(自身を含む): 42472080

約数和(自身を除く): 20533144

約数列:

[1, 2, 4, 8, 41, 82, 164, 211, 317, 328, 422, 634, 844, 1268, 1688, 2536, 8651, 12997, 17302, 25994, 34604, 51988, 66887, 69208, 103976, 133774, 267548, 535096, 2742367, 5484734, 10969468, 21938936]

約数ペア:

[(1, 21938936), (2, 10969468), (4, 5484734), (8, 2742367), (41, 535096), (82, 267548), (164, 133774), (211, 103976), (317, 69208), (328, 66887), (422, 51988), (634, 34604), (844, 25994), (1268, 17302), (1688, 12997), (2536, 8651)]