21803526

素因数分解:

$2^1\times 3^3\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{269}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 51840000

約数和(自身を除く): 30036474

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 79, 114, 158, 171, 237, 269, 342, 474, 513, 538, 711, 807, 1026, 1422, 1501, 1614, 2133, 2421, 3002, 4266, 4503, 4842, 5111, 7263, 9006, 10222, 13509, 14526, 15333, 21251, 27018, 30666, 40527, 42502, 45999, 63753, 81054, 91998, 127506, 137997, 191259, 275994, 382518, 403769, 573777, 807538, 1147554, 1211307, 2422614, 3633921, 7267842, 10901763, 21803526]

約数ペア:

[(1, 21803526), (2, 10901763), (3, 7267842), (6, 3633921), (9, 2422614), (18, 1211307), (19, 1147554), (27, 807538), (38, 573777), (54, 403769), (57, 382518), (79, 275994), (114, 191259), (158, 137997), (171, 127506), (237, 91998), (269, 81054), (342, 63753), (474, 45999), (513, 42502), (538, 40527), (711, 30666), (807, 27018), (1026, 21251), (1422, 15333), (1501, 14526), (1614, 13509), (2133, 10222), (2421, 9006), (3002, 7263), (4266, 5111), (4503, 4842)]