21380202

素因数分解:

$2^1\times 3^2\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{1201}}^1$

素因数の和:1275

約数の個数: 48

約数和(自身を含む): 49503168

約数和(自身を除く): 28122966

約数列:

[1, 2, 3, 6, 9, 18, 23, 43, 46, 69, 86, 129, 138, 207, 258, 387, 414, 774, 989, 1201, 1978, 2402, 2967, 3603, 5934, 7206, 8901, 10809, 17802, 21618, 27623, 51643, 55246, 82869, 103286, 154929, 165738, 248607, 309858, 464787, 497214, 929574, 1187789, 2375578, 3563367, 7126734, 10690101, 21380202]

約数ペア:

[(1, 21380202), (2, 10690101), (3, 7126734), (6, 3563367), (9, 2375578), (18, 1187789), (23, 929574), (43, 497214), (46, 464787), (69, 309858), (86, 248607), (129, 165738), (138, 154929), (207, 103286), (258, 82869), (387, 55246), (414, 51643), (774, 27623), (989, 21618), (1201, 17802), (1978, 10809), (2402, 8901), (2967, 7206), (3603, 5934)]