21957264

素因数分解:

$2^4\times 3^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{137}}^1$

素因数の和:214

約数の個数: 160

約数和(自身を含む): 73923840

約数和(自身を除く): 51966576

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 27, 28, 36, 42, 48, 53, 54, 56, 63, 72, 84, 106, 108, 112, 126, 137, 144, 159, 168, 189, 212, 216, 252, 274, 318, 336, 371, 378, 411, 424, 432, 477, 504, 548, 636, 742, 756, 822, 848, 954, 959, 1008, 1096, 1113, 1233, 1272, 1431, 1484, 1512, 1644, 1908, 1918, 2192, 2226, 2466, 2544, 2862, 2877, 2968, 3024, 3288, 3339, 3699, 3816, 3836, 4452, 4932, 5724, 5754, 5936, 6576, 6678, 7261, 7398, 7632, 7672, 8631, 8904, 9864, 10017, 11448, 11508, 13356, 14522, 14796, 15344, 17262, 17808, 19728, 20034, 21783, 22896, 23016, 25893, 26712, 29044, 29592, 34524, 40068, 43566, 46032, 50827, 51786, 53424, 58088, 59184, 65349, 69048, 80136, 87132, 101654, 103572, 116176, 130698, 138096, 152481, 160272, 174264, 196047, 203308, 207144, 261396, 304962, 348528, 392094, 406616, 414288, 457443, 522792, 609924, 784188, 813232, 914886, 1045584, 1219848, 1372329, 1568376, 1829772, 2439696, 2744658, 3136752, 3659544, 5489316, 7319088, 10978632, 21957264]

約数ペア:

[(1, 21957264), (2, 10978632), (3, 7319088), (4, 5489316), (6, 3659544), (7, 3136752), (8, 2744658), (9, 2439696), (12, 1829772), (14, 1568376), (16, 1372329), (18, 1219848), (21, 1045584), (24, 914886), (27, 813232), (28, 784188), (36, 609924), (42, 522792), (48, 457443), (53, 414288), (54, 406616), (56, 392094), (63, 348528), (72, 304962), (84, 261396), (106, 207144), (108, 203308), (112, 196047), (126, 174264), (137, 160272), (144, 152481), (159, 138096), (168, 130698), (189, 116176), (212, 103572), (216, 101654), (252, 87132), (274, 80136), (318, 69048), (336, 65349), (371, 59184), (378, 58088), (411, 53424), (424, 51786), (432, 50827), (477, 46032), (504, 43566), (548, 40068), (636, 34524), (742, 29592), (756, 29044), (822, 26712), (848, 25893), (954, 23016), (959, 22896), (1008, 21783), (1096, 20034), (1113, 19728), (1233, 17808), (1272, 17262), (1431, 15344), (1484, 14796), (1512, 14522), (1644, 13356), (1908, 11508), (1918, 11448), (2192, 10017), (2226, 9864), (2466, 8904), (2544, 8631), (2862, 7672), (2877, 7632), (2968, 7398), (3024, 7261), (3288, 6678), (3339, 6576), (3699, 5936), (3816, 5754), (3836, 5724), (4452, 4932)]