21672756

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{5059}}^1$

素因数の和:5093

約数の個数: 72

約数和(自身を含む): 66306240

約数和(自身を除く): 44633484

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 17, 18, 21, 28, 34, 36, 42, 51, 63, 68, 84, 102, 119, 126, 153, 204, 238, 252, 306, 357, 476, 612, 714, 1071, 1428, 2142, 4284, 5059, 10118, 15177, 20236, 30354, 35413, 45531, 60708, 70826, 86003, 91062, 106239, 141652, 172006, 182124, 212478, 258009, 318717, 344012, 424956, 516018, 602021, 637434, 774027, 1032036, 1204042, 1274868, 1548054, 1806063, 2408084, 3096108, 3612126, 5418189, 7224252, 10836378, 21672756]

約数ペア:

[(1, 21672756), (2, 10836378), (3, 7224252), (4, 5418189), (6, 3612126), (7, 3096108), (9, 2408084), (12, 1806063), (14, 1548054), (17, 1274868), (18, 1204042), (21, 1032036), (28, 774027), (34, 637434), (36, 602021), (42, 516018), (51, 424956), (63, 344012), (68, 318717), (84, 258009), (102, 212478), (119, 182124), (126, 172006), (153, 141652), (204, 106239), (238, 91062), (252, 86003), (306, 70826), (357, 60708), (476, 45531), (612, 35413), (714, 30354), (1071, 20236), (1428, 15177), (2142, 10118), (4284, 5059)]