21682128

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34747}}^1$

素因数の和:34771

約数の個数: 40

約数和(自身を含む): 60322528

約数和(自身を除く): 38640400

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34747, 69494, 104241, 138988, 208482, 277976, 416964, 451711, 555952, 833928, 903422, 1355133, 1667856, 1806844, 2710266, 3613688, 5420532, 7227376, 10841064, 21682128]

約数ペア:

[(1, 21682128), (2, 10841064), (3, 7227376), (4, 5420532), (6, 3613688), (8, 2710266), (12, 1806844), (13, 1667856), (16, 1355133), (24, 903422), (26, 833928), (39, 555952), (48, 451711), (52, 416964), (78, 277976), (104, 208482), (156, 138988), (208, 104241), (312, 69494), (624, 34747)]