21746488

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{1811}}^1$

素因数の和:1915

約数の個数: 32

約数和(自身を含む): 43488000

約数和(自身を除く): 21741512

約数列:

[1, 2, 4, 8, 19, 38, 76, 79, 152, 158, 316, 632, 1501, 1811, 3002, 3622, 6004, 7244, 12008, 14488, 34409, 68818, 137636, 143069, 275272, 286138, 572276, 1144552, 2718311, 5436622, 10873244, 21746488]

約数ペア:

[(1, 21746488), (2, 10873244), (4, 5436622), (8, 2718311), (19, 1144552), (38, 572276), (76, 286138), (79, 275272), (152, 143069), (158, 137636), (316, 68818), (632, 34409), (1501, 14488), (1811, 12008), (3002, 7244), (3622, 6004)]