21685086

素因数分解:

$2^1\times 3^2\times {\mathrm{67}}^1\times {\mathrm{17981}}^1$

素因数の和:18056

約数の個数: 24

約数和(自身を含む): 47688264

約数和(自身を除く): 26003178

約数列:

[1, 2, 3, 6, 9, 18, 67, 134, 201, 402, 603, 1206, 17981, 35962, 53943, 107886, 161829, 323658, 1204727, 2409454, 3614181, 7228362, 10842543, 21685086]

約数ペア:

[(1, 21685086), (2, 10842543), (3, 7228362), (6, 3614181), (9, 2409454), (18, 1204727), (67, 323658), (134, 161829), (201, 107886), (402, 53943), (603, 35962), (1206, 17981)]