21022352

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{211}}^1\times {\mathrm{479}}^1$

素因数の和:711

約数の個数: 40

約数和(自身を含む): 44163840

約数和(自身を除く): 23141488

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 211, 422, 479, 844, 958, 1688, 1916, 2743, 3376, 3832, 5486, 6227, 7664, 10972, 12454, 21944, 24908, 43888, 49816, 99632, 101069, 202138, 404276, 808552, 1313897, 1617104, 2627794, 5255588, 10511176, 21022352]

約数ペア:

[(1, 21022352), (2, 10511176), (4, 5255588), (8, 2627794), (13, 1617104), (16, 1313897), (26, 808552), (52, 404276), (104, 202138), (208, 101069), (211, 99632), (422, 49816), (479, 43888), (844, 24908), (958, 21944), (1688, 12454), (1916, 10972), (2743, 7664), (3376, 6227), (3832, 5486)]