21210574

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{659}}^1$

素因数の和:709

約数の個数: 48

約数和(自身を含む): 42134400

約数和(自身を除く): 20923826

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 659, 847, 1318, 1463, 1694, 2299, 2926, 4598, 4613, 7249, 9226, 12521, 14498, 16093, 25042, 32186, 50743, 79739, 87647, 101486, 137731, 159478, 175294, 275462, 558173, 964117, 1116346, 1515041, 1928234, 3030082, 10605287, 21210574]

約数ペア:

[(1, 21210574), (2, 10605287), (7, 3030082), (11, 1928234), (14, 1515041), (19, 1116346), (22, 964117), (38, 558173), (77, 275462), (121, 175294), (133, 159478), (154, 137731), (209, 101486), (242, 87647), (266, 79739), (418, 50743), (659, 32186), (847, 25042), (1318, 16093), (1463, 14498), (1694, 12521), (2299, 9226), (2926, 7249), (4598, 4613)]