21167800544

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{661}}^1\times {\mathrm{90977}}^1$

素因数の和:91659

約数の個数: 48

約数和(自身を含む): 45531941616

約数和(自身を除く): 24364141072

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 88, 176, 352, 661, 1322, 2644, 5288, 7271, 10576, 14542, 21152, 29084, 58168, 90977, 116336, 181954, 232672, 363908, 727816, 1000747, 1455632, 2001494, 2911264, 4002988, 8005976, 16011952, 32023904, 60135797, 120271594, 240543188, 481086376, 661493767, 962172752, 1322987534, 1924345504, 2645975068, 5291950136, 10583900272, 21167800544]

約数ペア:

[(1, 21167800544), (2, 10583900272), (4, 5291950136), (8, 2645975068), (11, 1924345504), (16, 1322987534), (22, 962172752), (32, 661493767), (44, 481086376), (88, 240543188), (176, 120271594), (352, 60135797), (661, 32023904), (1322, 16011952), (2644, 8005976), (5288, 4002988), (7271, 2911264), (10576, 2001494), (14542, 1455632), (21152, 1000747), (29084, 727816), (58168, 363908), (90977, 232672), (116336, 181954)]