21488688

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{883}}^1$

素因数の和:923

約数の個数: 90

約数和(自身を含む): 65194116

約数和(自身を除く): 43705428

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 883, 936, 1014, 1352, 1521, 1766, 1872, 2028, 2649, 2704, 3042, 3532, 4056, 5298, 6084, 7064, 7947, 8112, 10596, 11479, 12168, 14128, 15894, 21192, 22958, 24336, 31788, 34437, 42384, 45916, 63576, 68874, 91832, 103311, 127152, 137748, 149227, 183664, 206622, 275496, 298454, 413244, 447681, 550992, 596908, 826488, 895362, 1193816, 1343043, 1652976, 1790724, 2387632, 2686086, 3581448, 5372172, 7162896, 10744344, 21488688]

約数ペア:

[(1, 21488688), (2, 10744344), (3, 7162896), (4, 5372172), (6, 3581448), (8, 2686086), (9, 2387632), (12, 1790724), (13, 1652976), (16, 1343043), (18, 1193816), (24, 895362), (26, 826488), (36, 596908), (39, 550992), (48, 447681), (52, 413244), (72, 298454), (78, 275496), (104, 206622), (117, 183664), (144, 149227), (156, 137748), (169, 127152), (208, 103311), (234, 91832), (312, 68874), (338, 63576), (468, 45916), (507, 42384), (624, 34437), (676, 31788), (883, 24336), (936, 22958), (1014, 21192), (1352, 15894), (1521, 14128), (1766, 12168), (1872, 11479), (2028, 10596), (2649, 8112), (2704, 7947), (3042, 7064), (3532, 6084), (4056, 5298)]