21395736

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{10247}}^1$

素因数の和:10288

約数の個数: 48

約数和(自身を含む): 59950800

約数和(自身を除く): 38555064

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 10247, 20494, 30741, 40988, 61482, 81976, 92223, 122964, 184446, 245928, 297163, 368892, 594326, 737784, 891489, 1188652, 1782978, 2377304, 2674467, 3565956, 5348934, 7131912, 10697868, 21395736]

約数ペア:

[(1, 21395736), (2, 10697868), (3, 7131912), (4, 5348934), (6, 3565956), (8, 2674467), (9, 2377304), (12, 1782978), (18, 1188652), (24, 891489), (29, 737784), (36, 594326), (58, 368892), (72, 297163), (87, 245928), (116, 184446), (174, 122964), (232, 92223), (261, 81976), (348, 61482), (522, 40988), (696, 30741), (1044, 20494), (2088, 10247)]