21231606

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{149}}^1$

素因数の和:309

約数の個数: 64

約数和(自身を含む): 49766400

約数和(自身を除く): 28534794

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 102, 127, 149, 187, 254, 298, 374, 381, 447, 561, 762, 894, 1122, 1397, 1639, 2159, 2533, 2794, 3278, 4191, 4318, 4917, 5066, 6477, 7599, 8382, 9834, 12954, 15198, 18923, 23749, 27863, 37846, 47498, 55726, 56769, 71247, 83589, 113538, 142494, 167178, 208153, 321691, 416306, 624459, 643382, 965073, 1248918, 1930146, 3538601, 7077202, 10615803, 21231606]

約数ペア:

[(1, 21231606), (2, 10615803), (3, 7077202), (6, 3538601), (11, 1930146), (17, 1248918), (22, 965073), (33, 643382), (34, 624459), (51, 416306), (66, 321691), (102, 208153), (127, 167178), (149, 142494), (187, 113538), (254, 83589), (298, 71247), (374, 56769), (381, 55726), (447, 47498), (561, 37846), (762, 27863), (894, 23749), (1122, 18923), (1397, 15198), (1639, 12954), (2159, 9834), (2533, 8382), (2794, 7599), (3278, 6477), (4191, 5066), (4318, 4917)]