21940984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{1867}}^1$

素因数の和:1999

約数の個数: 32

約数和(自身を含む): 44719920

約数和(自身を除く): 22778936

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 226, 452, 904, 1469, 1867, 2938, 3734, 5876, 7468, 11752, 14936, 24271, 48542, 97084, 194168, 210971, 421942, 843884, 1687768, 2742623, 5485246, 10970492, 21940984]

約数ペア:

[(1, 21940984), (2, 10970492), (4, 5485246), (8, 2742623), (13, 1687768), (26, 843884), (52, 421942), (104, 210971), (113, 194168), (226, 97084), (452, 48542), (904, 24271), (1469, 14936), (1867, 11752), (2938, 7468), (3734, 5876)]