21036258

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17443}}^1$

素因数の和:17518

約数の個数: 24

約数和(自身を含む): 46261488

約数和(自身を除く): 25225230

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17443, 34886, 52329, 104658, 156987, 313974, 1168681, 2337362, 3506043, 7012086, 10518129, 21036258]

約数ペア:

[(1, 21036258), (2, 10518129), (3, 7012086), (6, 3506043), (9, 2337362), (18, 1168681), (67, 313974), (134, 156987), (201, 104658), (402, 52329), (603, 34886), (1206, 17443)]