21782056

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{3049}}^1$

素因数の和:3121

約数の個数: 32

約数和(自身を含む): 43920000

約数和(自身を除く): 22137944

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 94, 152, 188, 376, 893, 1786, 3049, 3572, 6098, 7144, 12196, 24392, 57931, 115862, 143303, 231724, 286606, 463448, 573212, 1146424, 2722757, 5445514, 10891028, 21782056]

約数ペア:

[(1, 21782056), (2, 10891028), (4, 5445514), (8, 2722757), (19, 1146424), (38, 573212), (47, 463448), (76, 286606), (94, 231724), (152, 143303), (188, 115862), (376, 57931), (893, 24392), (1786, 12196), (3049, 7144), (3572, 6098)]