21631218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{7687}}^1$

素因数の和:7766

約数の個数: 32

約数和(自身を含む): 50187264

約数和(自身を除く): 28556046

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 67, 134, 201, 402, 469, 938, 1407, 2814, 7687, 15374, 23061, 46122, 53809, 107618, 161427, 322854, 515029, 1030058, 1545087, 3090174, 3605203, 7210406, 10815609, 21631218]

約数ペア:

[(1, 21631218), (2, 10815609), (3, 7210406), (6, 3605203), (7, 3090174), (14, 1545087), (21, 1030058), (42, 515029), (67, 322854), (134, 161427), (201, 107618), (402, 53809), (469, 46122), (938, 23061), (1407, 15374), (2814, 7687)]