21905316

素因数分解:

$2^2\times 3^4\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{97}}^1$

素因数の和:171

約数の個数: 120

約数和(自身を含む): 62752536

約数和(自身を除く): 40847220

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 27, 34, 36, 41, 51, 54, 68, 81, 82, 97, 102, 108, 123, 153, 162, 164, 194, 204, 246, 291, 306, 324, 369, 388, 459, 492, 582, 612, 697, 738, 873, 918, 1107, 1164, 1377, 1394, 1476, 1649, 1746, 1836, 2091, 2214, 2619, 2754, 2788, 3298, 3321, 3492, 3977, 4182, 4428, 4947, 5238, 5508, 6273, 6596, 6642, 7857, 7954, 8364, 9894, 10476, 11931, 12546, 13284, 14841, 15714, 15908, 18819, 19788, 23862, 25092, 29682, 31428, 35793, 37638, 44523, 47724, 56457, 59364, 67609, 71586, 75276, 89046, 107379, 112914, 133569, 135218, 143172, 178092, 202827, 214758, 225828, 267138, 270436, 322137, 405654, 429516, 534276, 608481, 644274, 811308, 1216962, 1288548, 1825443, 2433924, 3650886, 5476329, 7301772, 10952658, 21905316]

約数ペア:

[(1, 21905316), (2, 10952658), (3, 7301772), (4, 5476329), (6, 3650886), (9, 2433924), (12, 1825443), (17, 1288548), (18, 1216962), (27, 811308), (34, 644274), (36, 608481), (41, 534276), (51, 429516), (54, 405654), (68, 322137), (81, 270436), (82, 267138), (97, 225828), (102, 214758), (108, 202827), (123, 178092), (153, 143172), (162, 135218), (164, 133569), (194, 112914), (204, 107379), (246, 89046), (291, 75276), (306, 71586), (324, 67609), (369, 59364), (388, 56457), (459, 47724), (492, 44523), (582, 37638), (612, 35793), (697, 31428), (738, 29682), (873, 25092), (918, 23862), (1107, 19788), (1164, 18819), (1377, 15908), (1394, 15714), (1476, 14841), (1649, 13284), (1746, 12546), (1836, 11931), (2091, 10476), (2214, 9894), (2619, 8364), (2754, 7954), (2788, 7857), (3298, 6642), (3321, 6596), (3492, 6273), (3977, 5508), (4182, 5238), (4428, 4947)]