21706326

素因数分解:

$2^1\times 3^3\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{167}}^1$

素因数の和:290

約数の個数: 64

約数和(自身を含む): 50803200

約数和(自身を除く): 29096874

約数列:

[1, 2, 3, 6, 9, 18, 27, 29, 54, 58, 83, 87, 166, 167, 174, 249, 261, 334, 498, 501, 522, 747, 783, 1002, 1494, 1503, 1566, 2241, 2407, 3006, 4482, 4509, 4814, 4843, 7221, 9018, 9686, 13861, 14442, 14529, 21663, 27722, 29058, 41583, 43326, 43587, 64989, 83166, 87174, 124749, 129978, 130761, 249498, 261522, 374247, 401969, 748494, 803938, 1205907, 2411814, 3617721, 7235442, 10853163, 21706326]

約数ペア:

[(1, 21706326), (2, 10853163), (3, 7235442), (6, 3617721), (9, 2411814), (18, 1205907), (27, 803938), (29, 748494), (54, 401969), (58, 374247), (83, 261522), (87, 249498), (166, 130761), (167, 129978), (174, 124749), (249, 87174), (261, 83166), (334, 64989), (498, 43587), (501, 43326), (522, 41583), (747, 29058), (783, 27722), (1002, 21663), (1494, 14529), (1503, 14442), (1566, 13861), (2241, 9686), (2407, 9018), (3006, 7221), (4482, 4843), (4509, 4814)]