21116492068

素因数分解:

$2^2\times 7^1\times {\mathrm{193}}^1\times {\mathrm{347}}^1\times {\mathrm{11261}}^1$

素因数の和:11812

約数の個数: 48

約数和(自身を含む): 42577928064

約数和(自身を除く): 21461435996

約数列:

[1, 2, 4, 7, 14, 28, 193, 347, 386, 694, 772, 1351, 1388, 2429, 2702, 4858, 5404, 9716, 11261, 22522, 45044, 66971, 78827, 133942, 157654, 267884, 315308, 468797, 937594, 1875188, 2173373, 3907567, 4346746, 7815134, 8693492, 15213611, 15630268, 27352969, 30427222, 54705938, 60854444, 109411876, 754160431, 1508320862, 3016641724, 5279123017, 10558246034, 21116492068]

約数ペア:

[(1, 21116492068), (2, 10558246034), (4, 5279123017), (7, 3016641724), (14, 1508320862), (28, 754160431), (193, 109411876), (347, 60854444), (386, 54705938), (694, 30427222), (772, 27352969), (1351, 15630268), (1388, 15213611), (2429, 8693492), (2702, 7815134), (4858, 4346746), (5404, 3907567), (9716, 2173373), (11261, 1875188), (22522, 937594), (45044, 468797), (66971, 315308), (78827, 267884), (133942, 157654)]