21167451368

素因数分解:

$2^3\times 7^1\times {\mathrm{149}}^1\times {\mathrm{257}}^1\times {\mathrm{9871}}^1$

素因数の和:10290

約数の個数: 64

約数和(自身を含む): 45845568000

約数和(自身を除く): 24678116632

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 149, 257, 298, 514, 596, 1028, 1043, 1192, 1799, 2056, 2086, 3598, 4172, 7196, 8344, 9871, 14392, 19742, 38293, 39484, 69097, 76586, 78968, 138194, 153172, 268051, 276388, 306344, 536102, 552776, 1072204, 1470779, 2144408, 2536847, 2941558, 5073694, 5883116, 10147388, 10295453, 11766232, 17757929, 20294776, 20590906, 35515858, 41181812, 71031716, 82363624, 142063432, 377990203, 755980406, 1511960812, 2645931421, 3023921624, 5291862842, 10583725684, 21167451368]

約数ペア:

[(1, 21167451368), (2, 10583725684), (4, 5291862842), (7, 3023921624), (8, 2645931421), (14, 1511960812), (28, 755980406), (56, 377990203), (149, 142063432), (257, 82363624), (298, 71031716), (514, 41181812), (596, 35515858), (1028, 20590906), (1043, 20294776), (1192, 17757929), (1799, 11766232), (2056, 10295453), (2086, 10147388), (3598, 5883116), (4172, 5073694), (7196, 2941558), (8344, 2536847), (9871, 2144408), (14392, 1470779), (19742, 1072204), (38293, 552776), (39484, 536102), (69097, 306344), (76586, 276388), (78968, 268051), (138194, 153172)]