21310324

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{977}}^1$

素因数の和:1048

約数の個数: 48

約数和(自身を含む): 46005120

約数和(自身を除く): 24694796

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 41, 76, 82, 133, 164, 266, 287, 532, 574, 779, 977, 1148, 1558, 1954, 3116, 3908, 5453, 6839, 10906, 13678, 18563, 21812, 27356, 37126, 40057, 74252, 80114, 129941, 160228, 259882, 280399, 519764, 560798, 761083, 1121596, 1522166, 3044332, 5327581, 10655162, 21310324]

約数ペア:

[(1, 21310324), (2, 10655162), (4, 5327581), (7, 3044332), (14, 1522166), (19, 1121596), (28, 761083), (38, 560798), (41, 519764), (76, 280399), (82, 259882), (133, 160228), (164, 129941), (266, 80114), (287, 74252), (532, 40057), (574, 37126), (779, 27356), (977, 21812), (1148, 18563), (1558, 13678), (1954, 10906), (3116, 6839), (3908, 5453)]