21686672

素因数分解:

$2^4\times 7^1\times {\mathrm{227}}^1\times {\mathrm{853}}^1$

素因数の和:1095

約数の個数: 40

約数和(自身を含む): 48288576

約数和(自身を除く): 26601904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 227, 454, 853, 908, 1589, 1706, 1816, 3178, 3412, 3632, 5971, 6356, 6824, 11942, 12712, 13648, 23884, 25424, 47768, 95536, 193631, 387262, 774524, 1355417, 1549048, 2710834, 3098096, 5421668, 10843336, 21686672]

約数ペア:

[(1, 21686672), (2, 10843336), (4, 5421668), (7, 3098096), (8, 2710834), (14, 1549048), (16, 1355417), (28, 774524), (56, 387262), (112, 193631), (227, 95536), (454, 47768), (853, 25424), (908, 23884), (1589, 13648), (1706, 12712), (1816, 11942), (3178, 6824), (3412, 6356), (3632, 5971)]