21392532

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{28297}}^1$

素因数の和:28317

約数の個数: 48

約数和(自身を含む): 63387520

約数和(自身を除く): 41994988

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 54, 63, 84, 108, 126, 189, 252, 378, 756, 28297, 56594, 84891, 113188, 169782, 198079, 254673, 339564, 396158, 509346, 594237, 764019, 792316, 1018692, 1188474, 1528038, 1782711, 2376948, 3056076, 3565422, 5348133, 7130844, 10696266, 21392532]

約数ペア:

[(1, 21392532), (2, 10696266), (3, 7130844), (4, 5348133), (6, 3565422), (7, 3056076), (9, 2376948), (12, 1782711), (14, 1528038), (18, 1188474), (21, 1018692), (27, 792316), (28, 764019), (36, 594237), (42, 509346), (54, 396158), (63, 339564), (84, 254673), (108, 198079), (126, 169782), (189, 113188), (252, 84891), (378, 56594), (756, 28297)]