21497616

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7109}}^1$

素因数の和:7133

約数の個数: 80

約数和(自身を含む): 70531200

約数和(自身を除く): 49033584

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 54, 56, 63, 72, 84, 108, 112, 126, 144, 168, 189, 216, 252, 336, 378, 432, 504, 756, 1008, 1512, 3024, 7109, 14218, 21327, 28436, 42654, 49763, 56872, 63981, 85308, 99526, 113744, 127962, 149289, 170616, 191943, 199052, 255924, 298578, 341232, 383886, 398104, 447867, 511848, 597156, 767772, 796208, 895734, 1023696, 1194312, 1343601, 1535544, 1791468, 2388624, 2687202, 3071088, 3582936, 5374404, 7165872, 10748808, 21497616]

約数ペア:

[(1, 21497616), (2, 10748808), (3, 7165872), (4, 5374404), (6, 3582936), (7, 3071088), (8, 2687202), (9, 2388624), (12, 1791468), (14, 1535544), (16, 1343601), (18, 1194312), (21, 1023696), (24, 895734), (27, 796208), (28, 767772), (36, 597156), (42, 511848), (48, 447867), (54, 398104), (56, 383886), (63, 341232), (72, 298578), (84, 255924), (108, 199052), (112, 191943), (126, 170616), (144, 149289), (168, 127962), (189, 113744), (216, 99526), (252, 85308), (336, 63981), (378, 56872), (432, 49763), (504, 42654), (756, 28436), (1008, 21327), (1512, 14218), (3024, 7109)]