21554106

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{61}}^1\times {\mathrm{179}}^1$

素因数の和:299

約数の個数: 64

約数和(自身を含む): 51425280

約数和(自身を除く): 29871174

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 61, 94, 122, 141, 179, 183, 282, 329, 358, 366, 427, 537, 658, 854, 987, 1074, 1253, 1281, 1974, 2506, 2562, 2867, 3759, 5734, 7518, 8413, 8601, 10919, 16826, 17202, 20069, 21838, 25239, 32757, 40138, 50478, 58891, 60207, 65514, 76433, 117782, 120414, 152866, 176673, 229299, 353346, 458598, 513193, 1026386, 1539579, 3079158, 3592351, 7184702, 10777053, 21554106]

約数ペア:

[(1, 21554106), (2, 10777053), (3, 7184702), (6, 3592351), (7, 3079158), (14, 1539579), (21, 1026386), (42, 513193), (47, 458598), (61, 353346), (94, 229299), (122, 176673), (141, 152866), (179, 120414), (183, 117782), (282, 76433), (329, 65514), (358, 60207), (366, 58891), (427, 50478), (537, 40138), (658, 32757), (854, 25239), (987, 21838), (1074, 20069), (1253, 17202), (1281, 16826), (1974, 10919), (2506, 8601), (2562, 8413), (2867, 7518), (3759, 5734)]