21690642

素因数分解:

$2^1\times 3^1\times {\mathrm{59}}^1\times {\mathrm{71}}^1\times {\mathrm{863}}^1$

素因数の和:998

約数の個数: 32

約数和(自身を含む): 44789760

約数和(自身を除く): 23099118

約数列:

[1, 2, 3, 6, 59, 71, 118, 142, 177, 213, 354, 426, 863, 1726, 2589, 4189, 5178, 8378, 12567, 25134, 50917, 61273, 101834, 122546, 152751, 183819, 305502, 367638, 3615107, 7230214, 10845321, 21690642]

約数ペア:

[(1, 21690642), (2, 10845321), (3, 7230214), (6, 3615107), (59, 367638), (71, 305502), (118, 183819), (142, 152751), (177, 122546), (213, 101834), (354, 61273), (426, 50917), (863, 25134), (1726, 12567), (2589, 8378), (4189, 5178)]