21354018

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{53}}^2\times {\mathrm{181}}^1$

素因数の和:299

約数の個数: 48

約数和(自身を含む): 50022336

約数和(自身を除く): 28668318

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 53, 106, 159, 181, 318, 362, 371, 543, 742, 1086, 1113, 1267, 2226, 2534, 2809, 3801, 5618, 7602, 8427, 9593, 16854, 19186, 19663, 28779, 39326, 57558, 58989, 67151, 117978, 134302, 201453, 402906, 508429, 1016858, 1525287, 3050574, 3559003, 7118006, 10677009, 21354018]

約数ペア:

[(1, 21354018), (2, 10677009), (3, 7118006), (6, 3559003), (7, 3050574), (14, 1525287), (21, 1016858), (42, 508429), (53, 402906), (106, 201453), (159, 134302), (181, 117978), (318, 67151), (362, 58989), (371, 57558), (543, 39326), (742, 28779), (1086, 19663), (1113, 19186), (1267, 16854), (2226, 9593), (2534, 8427), (2809, 7602), (3801, 5618)]