21541113

素因数分解:

$3^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:151

約数の個数: 64

約数和(自身を含む): 37497600

約数和(自身を除く): 15956487

約数列:

[1, 3, 9, 11, 27, 29, 33, 41, 61, 87, 99, 123, 183, 261, 297, 319, 369, 451, 549, 671, 783, 957, 1107, 1189, 1353, 1647, 1769, 2013, 2501, 2871, 3567, 4059, 5307, 6039, 7503, 8613, 10701, 12177, 13079, 15921, 18117, 19459, 22509, 27511, 32103, 39237, 47763, 58377, 67527, 72529, 82533, 117711, 175131, 217587, 247599, 353133, 525393, 652761, 742797, 797819, 1958283, 2393457, 7180371, 21541113]

約数ペア:

[(1, 21541113), (3, 7180371), (9, 2393457), (11, 1958283), (27, 797819), (29, 742797), (33, 652761), (41, 525393), (61, 353133), (87, 247599), (99, 217587), (123, 175131), (183, 117711), (261, 82533), (297, 72529), (319, 67527), (369, 58377), (451, 47763), (549, 39237), (671, 32103), (783, 27511), (957, 22509), (1107, 19459), (1189, 18117), (1353, 15921), (1647, 13079), (1769, 12177), (2013, 10701), (2501, 8613), (2871, 7503), (3567, 6039), (4059, 5307)]