21139998717

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{241}}^1\times {\mathrm{743}}^1$

素因数の和:1098

約数の個数: 64

約数和(自身を含む): 31112294400

約数和(自身を除く): 9972295683

約数列:

[1, 3, 23, 29, 59, 69, 87, 177, 241, 667, 723, 743, 1357, 1711, 2001, 2229, 4071, 5133, 5543, 6989, 14219, 16629, 17089, 20967, 21547, 39353, 42657, 43837, 51267, 64641, 118059, 131511, 160747, 179063, 327037, 412351, 482241, 495581, 537189, 981111, 1008251, 1237053, 1271273, 1486743, 3024753, 3813819, 4118449, 5192827, 9484073, 10564717, 12355347, 15578481, 28452219, 29239279, 31694151, 87717837, 119435021, 242988491, 306376793, 358305063, 728965473, 919130379, 7046666239, 21139998717]

約数ペア:

[(1, 21139998717), (3, 7046666239), (23, 919130379), (29, 728965473), (59, 358305063), (69, 306376793), (87, 242988491), (177, 119435021), (241, 87717837), (667, 31694151), (723, 29239279), (743, 28452219), (1357, 15578481), (1711, 12355347), (2001, 10564717), (2229, 9484073), (4071, 5192827), (5133, 4118449), (5543, 3813819), (6989, 3024753), (14219, 1486743), (16629, 1271273), (17089, 1237053), (20967, 1008251), (21547, 981111), (39353, 537189), (42657, 495581), (43837, 482241), (51267, 412351), (64641, 327037), (118059, 179063), (131511, 160747)]