21338694

素因数分解:

$2^1\times 3^3\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{269}}^1$

素因数の和:406

約数の個数: 64

約数和(自身を含む): 51710400

約数和(自身を除く): 30371706

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 27, 39, 54, 78, 113, 117, 226, 234, 269, 339, 351, 538, 678, 702, 807, 1017, 1469, 1614, 2034, 2421, 2938, 3051, 3497, 4407, 4842, 6102, 6994, 7263, 8814, 10491, 13221, 14526, 20982, 26442, 30397, 31473, 39663, 60794, 62946, 79326, 91191, 94419, 182382, 188838, 273573, 395161, 547146, 790322, 820719, 1185483, 1641438, 2370966, 3556449, 7112898, 10669347, 21338694]

約数ペア:

[(1, 21338694), (2, 10669347), (3, 7112898), (6, 3556449), (9, 2370966), (13, 1641438), (18, 1185483), (26, 820719), (27, 790322), (39, 547146), (54, 395161), (78, 273573), (113, 188838), (117, 182382), (226, 94419), (234, 91191), (269, 79326), (339, 62946), (351, 60794), (538, 39663), (678, 31473), (702, 30397), (807, 26442), (1017, 20982), (1469, 14526), (1614, 13221), (2034, 10491), (2421, 8814), (2938, 7263), (3051, 6994), (3497, 6102), (4407, 4842)]