21021126

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{463}}^1$

素因数の和:545

約数の個数: 64

約数和(自身を含む): 51314688

約数和(自身を除く): 30293562

約数列:

[1, 2, 3, 6, 7, 14, 21, 23, 42, 46, 47, 69, 94, 138, 141, 161, 282, 322, 329, 463, 483, 658, 926, 966, 987, 1081, 1389, 1974, 2162, 2778, 3241, 3243, 6482, 6486, 7567, 9723, 10649, 15134, 19446, 21298, 21761, 22701, 31947, 43522, 45402, 63894, 65283, 74543, 130566, 149086, 152327, 223629, 304654, 447258, 456981, 500503, 913962, 1001006, 1501509, 3003018, 3503521, 7007042, 10510563, 21021126]

約数ペア:

[(1, 21021126), (2, 10510563), (3, 7007042), (6, 3503521), (7, 3003018), (14, 1501509), (21, 1001006), (23, 913962), (42, 500503), (46, 456981), (47, 447258), (69, 304654), (94, 223629), (138, 152327), (141, 149086), (161, 130566), (282, 74543), (322, 65283), (329, 63894), (463, 45402), (483, 43522), (658, 31947), (926, 22701), (966, 21761), (987, 21298), (1081, 19446), (1389, 15134), (1974, 10649), (2162, 9723), (2778, 7567), (3241, 6486), (3243, 6482)]