21598083

素因数分解:

$3^6\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{53}}^1$

素因数の和:127

約数の個数: 56

約数和(自身を含む): 36357552

約数和(自身を除く): 14759469

約数列:

[1, 3, 9, 13, 27, 39, 43, 53, 81, 117, 129, 159, 243, 351, 387, 477, 559, 689, 729, 1053, 1161, 1431, 1677, 2067, 2279, 3159, 3483, 4293, 5031, 6201, 6837, 9477, 10449, 12879, 15093, 18603, 20511, 29627, 31347, 38637, 45279, 55809, 61533, 88881, 135837, 167427, 184599, 266643, 407511, 502281, 553797, 799929, 1661391, 2399787, 7199361, 21598083]

約数ペア:

[(1, 21598083), (3, 7199361), (9, 2399787), (13, 1661391), (27, 799929), (39, 553797), (43, 502281), (53, 407511), (81, 266643), (117, 184599), (129, 167427), (159, 135837), (243, 88881), (351, 61533), (387, 55809), (477, 45279), (559, 38637), (689, 31347), (729, 29627), (1053, 20511), (1161, 18603), (1431, 15093), (1677, 12879), (2067, 10449), (2279, 9477), (3159, 6837), (3483, 6201), (4293, 5031)]