21539448

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{42737}}^1$

素因数の和:42756

約数の個数: 48

約数和(自身を含む): 66671280

約数和(自身を除く): 45131832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 42737, 85474, 128211, 170948, 256422, 299159, 341896, 384633, 512844, 598318, 769266, 897477, 1025688, 1196636, 1538532, 1794954, 2393272, 2692431, 3077064, 3589908, 5384862, 7179816, 10769724, 21539448]

約数ペア:

[(1, 21539448), (2, 10769724), (3, 7179816), (4, 5384862), (6, 3589908), (7, 3077064), (8, 2692431), (9, 2393272), (12, 1794954), (14, 1538532), (18, 1196636), (21, 1025688), (24, 897477), (28, 769266), (36, 598318), (42, 512844), (56, 384633), (63, 341896), (72, 299159), (84, 256422), (126, 170948), (168, 128211), (252, 85474), (504, 42737)]