21888438

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:389

約数の個数: 64

約数和(自身を含む): 52157952

約数和(自身を除く): 30269514

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 97, 143, 194, 263, 286, 291, 429, 526, 582, 789, 858, 1067, 1261, 1578, 2134, 2522, 2893, 3201, 3419, 3783, 5786, 6402, 6838, 7566, 8679, 10257, 13871, 17358, 20514, 25511, 27742, 37609, 41613, 51022, 75218, 76533, 83226, 112827, 153066, 225654, 280621, 331643, 561242, 663286, 841863, 994929, 1683726, 1989858, 3648073, 7296146, 10944219, 21888438]

約数ペア:

[(1, 21888438), (2, 10944219), (3, 7296146), (6, 3648073), (11, 1989858), (13, 1683726), (22, 994929), (26, 841863), (33, 663286), (39, 561242), (66, 331643), (78, 280621), (97, 225654), (143, 153066), (194, 112827), (263, 83226), (286, 76533), (291, 75218), (429, 51022), (526, 41613), (582, 37609), (789, 27742), (858, 25511), (1067, 20514), (1261, 17358), (1578, 13871), (2134, 10257), (2522, 8679), (2893, 7566), (3201, 6838), (3419, 6402), (3783, 5786)]