21856872

素因数分解:

$2^3\times 3^1\times {\mathrm{431}}^1\times {\mathrm{2113}}^1$

素因数の和:2553

約数の個数: 32

約数和(自身を含む): 54794880

約数和(自身を除く): 32938008

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 431, 862, 1293, 1724, 2113, 2586, 3448, 4226, 5172, 6339, 8452, 10344, 12678, 16904, 25356, 50712, 910703, 1821406, 2732109, 3642812, 5464218, 7285624, 10928436, 21856872]

約数ペア:

[(1, 21856872), (2, 10928436), (3, 7285624), (4, 5464218), (6, 3642812), (8, 2732109), (12, 1821406), (24, 910703), (431, 50712), (862, 25356), (1293, 16904), (1724, 12678), (2113, 10344), (2586, 8452), (3448, 6339), (4226, 5172)]