21705264

素因数分解:

$2^4\times 3^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{353}}^1$

素因数の和:435

約数の個数: 120

約数和(自身を含む): 70760352

約数和(自身を除く): 49055088

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 36, 42, 48, 56, 61, 63, 72, 84, 112, 122, 126, 144, 168, 183, 244, 252, 336, 353, 366, 427, 488, 504, 549, 706, 732, 854, 976, 1008, 1059, 1098, 1281, 1412, 1464, 1708, 2118, 2196, 2471, 2562, 2824, 2928, 3177, 3416, 3843, 4236, 4392, 4942, 5124, 5648, 6354, 6832, 7413, 7686, 8472, 8784, 9884, 10248, 12708, 14826, 15372, 16944, 19768, 20496, 21533, 22239, 25416, 29652, 30744, 39536, 43066, 44478, 50832, 59304, 61488, 64599, 86132, 88956, 118608, 129198, 150731, 172264, 177912, 193797, 258396, 301462, 344528, 355824, 387594, 452193, 516792, 602924, 775188, 904386, 1033584, 1205848, 1356579, 1550376, 1808772, 2411696, 2713158, 3100752, 3617544, 5426316, 7235088, 10852632, 21705264]

約数ペア:

[(1, 21705264), (2, 10852632), (3, 7235088), (4, 5426316), (6, 3617544), (7, 3100752), (8, 2713158), (9, 2411696), (12, 1808772), (14, 1550376), (16, 1356579), (18, 1205848), (21, 1033584), (24, 904386), (28, 775188), (36, 602924), (42, 516792), (48, 452193), (56, 387594), (61, 355824), (63, 344528), (72, 301462), (84, 258396), (112, 193797), (122, 177912), (126, 172264), (144, 150731), (168, 129198), (183, 118608), (244, 88956), (252, 86132), (336, 64599), (353, 61488), (366, 59304), (427, 50832), (488, 44478), (504, 43066), (549, 39536), (706, 30744), (732, 29652), (854, 25416), (976, 22239), (1008, 21533), (1059, 20496), (1098, 19768), (1281, 16944), (1412, 15372), (1464, 14826), (1708, 12708), (2118, 10248), (2196, 9884), (2471, 8784), (2562, 8472), (2824, 7686), (2928, 7413), (3177, 6832), (3416, 6354), (3843, 5648), (4236, 5124), (4392, 4942)]