21186606

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7529}}^1$

素因数の和:7608

約数の個数: 32

約数和(自身を含む): 49155840

約数和(自身を除く): 27969234

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7529, 15058, 22587, 45174, 52703, 105406, 158109, 316218, 504443, 1008886, 1513329, 3026658, 3531101, 7062202, 10593303, 21186606]

約数ペア:

[(1, 21186606), (2, 10593303), (3, 7062202), (6, 3531101), (7, 3026658), (14, 1513329), (21, 1008886), (42, 504443), (67, 316218), (134, 158109), (201, 105406), (402, 52703), (469, 45174), (938, 22587), (1407, 15058), (2814, 7529)]