21666942

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:234

約数の個数: 96

約数和(自身を含む): 55901664

約数和(自身を除く): 34234722

約数列:

[1, 2, 3, 6, 9, 11, 17, 18, 22, 33, 34, 41, 51, 66, 82, 99, 102, 123, 153, 157, 187, 198, 246, 306, 314, 369, 374, 451, 471, 561, 697, 738, 902, 942, 1122, 1353, 1394, 1413, 1683, 1727, 2091, 2669, 2706, 2826, 3366, 3454, 4059, 4182, 5181, 5338, 6273, 6437, 7667, 8007, 8118, 10362, 12546, 12874, 15334, 15543, 16014, 19311, 23001, 24021, 29359, 31086, 38622, 46002, 48042, 57933, 58718, 69003, 70807, 88077, 109429, 115866, 138006, 141614, 176154, 212421, 218858, 264231, 328287, 424842, 528462, 637263, 656574, 984861, 1203719, 1274526, 1969722, 2407438, 3611157, 7222314, 10833471, 21666942]

約数ペア:

[(1, 21666942), (2, 10833471), (3, 7222314), (6, 3611157), (9, 2407438), (11, 1969722), (17, 1274526), (18, 1203719), (22, 984861), (33, 656574), (34, 637263), (41, 528462), (51, 424842), (66, 328287), (82, 264231), (99, 218858), (102, 212421), (123, 176154), (153, 141614), (157, 138006), (187, 115866), (198, 109429), (246, 88077), (306, 70807), (314, 69003), (369, 58718), (374, 57933), (451, 48042), (471, 46002), (561, 38622), (697, 31086), (738, 29359), (902, 24021), (942, 23001), (1122, 19311), (1353, 16014), (1394, 15543), (1413, 15334), (1683, 12874), (1727, 12546), (2091, 10362), (2669, 8118), (2706, 8007), (2826, 7667), (3366, 6437), (3454, 6273), (4059, 5338), (4182, 5181)]