21207312

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{7013}}^1$

素因数の和:7037

約数の個数: 80

約数和(自身を含む): 69578880

約数和(自身を除く): 48371568

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, 7013, 14026, 21039, 28052, 42078, 49091, 56104, 63117, 84156, 98182, 112208, 126234, 147273, 168312, 189351, 196364, 252468, 294546, 336624, 378702, 392728, 441819, 504936, 589092, 757404, 785456, 883638, 1009872, 1178184, 1325457, 1514808, 1767276, 2356368, 2650914, 3029616, 3534552, 5301828, 7069104, 10603656, 21207312]

約数ペア:

[(1, 21207312), (2, 10603656), (3, 7069104), (4, 5301828), (6, 3534552), (7, 3029616), (8, 2650914), (9, 2356368), (12, 1767276), (14, 1514808), (16, 1325457), (18, 1178184), (21, 1009872), (24, 883638), (27, 785456), (28, 757404), (36, 589092), (42, 504936), (48, 441819), (54, 392728), (56, 378702), (63, 336624), (72, 294546), (84, 252468), (108, 196364), (112, 189351), (126, 168312), (144, 147273), (168, 126234), (189, 112208), (216, 98182), (252, 84156), (336, 63117), (378, 56104), (432, 49091), (504, 42078), (756, 28052), (1008, 21039), (1512, 14026), (3024, 7013)]