21710556

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{101}}^1\times {\mathrm{853}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 63414624

約数和(自身を除く): 41704068

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 101, 126, 202, 252, 303, 404, 606, 707, 853, 909, 1212, 1414, 1706, 1818, 2121, 2559, 2828, 3412, 3636, 4242, 5118, 5971, 6363, 7677, 8484, 10236, 11942, 12726, 15354, 17913, 23884, 25452, 30708, 35826, 53739, 71652, 86153, 107478, 172306, 214956, 258459, 344612, 516918, 603071, 775377, 1033836, 1206142, 1550754, 1809213, 2412284, 3101508, 3618426, 5427639, 7236852, 10855278, 21710556]

約数ペア:

[(1, 21710556), (2, 10855278), (3, 7236852), (4, 5427639), (6, 3618426), (7, 3101508), (9, 2412284), (12, 1809213), (14, 1550754), (18, 1206142), (21, 1033836), (28, 775377), (36, 603071), (42, 516918), (63, 344612), (84, 258459), (101, 214956), (126, 172306), (202, 107478), (252, 86153), (303, 71652), (404, 53739), (606, 35826), (707, 30708), (853, 25452), (909, 23884), (1212, 17913), (1414, 15354), (1706, 12726), (1818, 11942), (2121, 10236), (2559, 8484), (2828, 7677), (3412, 6363), (3636, 5971), (4242, 5118)]