21958452

素因数分解:

$2^2\times 3^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:108

約数の個数: 144

約数和(自身を含む): 64209600

約数和(自身を除く): 42251148

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 27, 29, 36, 38, 41, 54, 57, 58, 76, 81, 82, 87, 108, 114, 116, 123, 162, 164, 171, 174, 228, 243, 246, 261, 324, 342, 348, 369, 486, 492, 513, 522, 551, 684, 738, 779, 783, 972, 1026, 1044, 1102, 1107, 1189, 1476, 1539, 1558, 1566, 1653, 2052, 2204, 2214, 2337, 2349, 2378, 3078, 3116, 3132, 3306, 3321, 3567, 4428, 4617, 4674, 4698, 4756, 4959, 6156, 6612, 6642, 7011, 7047, 7134, 9234, 9348, 9396, 9918, 9963, 10701, 13284, 14022, 14094, 14268, 14877, 18468, 19836, 19926, 21033, 21402, 22591, 28044, 28188, 29754, 32103, 39852, 42066, 42804, 44631, 45182, 59508, 63099, 64206, 67773, 84132, 89262, 90364, 96309, 126198, 128412, 133893, 135546, 178524, 189297, 192618, 203319, 252396, 267786, 271092, 288927, 378594, 385236, 406638, 535572, 577854, 609957, 757188, 813276, 1155708, 1219914, 1829871, 2439828, 3659742, 5489613, 7319484, 10979226, 21958452]

約数ペア:

[(1, 21958452), (2, 10979226), (3, 7319484), (4, 5489613), (6, 3659742), (9, 2439828), (12, 1829871), (18, 1219914), (19, 1155708), (27, 813276), (29, 757188), (36, 609957), (38, 577854), (41, 535572), (54, 406638), (57, 385236), (58, 378594), (76, 288927), (81, 271092), (82, 267786), (87, 252396), (108, 203319), (114, 192618), (116, 189297), (123, 178524), (162, 135546), (164, 133893), (171, 128412), (174, 126198), (228, 96309), (243, 90364), (246, 89262), (261, 84132), (324, 67773), (342, 64206), (348, 63099), (369, 59508), (486, 45182), (492, 44631), (513, 42804), (522, 42066), (551, 39852), (684, 32103), (738, 29754), (779, 28188), (783, 28044), (972, 22591), (1026, 21402), (1044, 21033), (1102, 19926), (1107, 19836), (1189, 18468), (1476, 14877), (1539, 14268), (1558, 14094), (1566, 14022), (1653, 13284), (2052, 10701), (2204, 9963), (2214, 9918), (2337, 9396), (2349, 9348), (2378, 9234), (3078, 7134), (3116, 7047), (3132, 7011), (3306, 6642), (3321, 6612), (3567, 6156), (4428, 4959), (4617, 4756), (4674, 4698)]