21022460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^2\times {\mathrm{1987}}^1$

素因数の和:2042

約数の個数: 36

約数和(自身を含む): 46173288

約数和(自身を除く): 25150828

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 529, 1058, 1987, 2116, 2645, 3974, 5290, 7948, 9935, 10580, 19870, 39740, 45701, 91402, 182804, 228505, 457010, 914020, 1051123, 2102246, 4204492, 5255615, 10511230, 21022460]

約数ペア:

[(1, 21022460), (2, 10511230), (4, 5255615), (5, 4204492), (10, 2102246), (20, 1051123), (23, 914020), (46, 457010), (92, 228505), (115, 182804), (230, 91402), (460, 45701), (529, 39740), (1058, 19870), (1987, 10580), (2116, 9935), (2645, 7948), (3974, 5290)]