21853728

素因数分解:

$2^5\times 3^2\times {\mathrm{13}}^2\times {\mathrm{449}}^1$

素因数の和:491

約数の個数: 108

約数和(自身を含む): 67444650

約数和(自身を除く): 45590922

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 48, 52, 72, 78, 96, 104, 117, 144, 156, 169, 208, 234, 288, 312, 338, 416, 449, 468, 507, 624, 676, 898, 936, 1014, 1248, 1347, 1352, 1521, 1796, 1872, 2028, 2694, 2704, 3042, 3592, 3744, 4041, 4056, 5388, 5408, 5837, 6084, 7184, 8082, 8112, 10776, 11674, 12168, 14368, 16164, 16224, 17511, 21552, 23348, 24336, 32328, 35022, 43104, 46696, 48672, 52533, 64656, 70044, 75881, 93392, 105066, 129312, 140088, 151762, 186784, 210132, 227643, 280176, 303524, 420264, 455286, 560352, 607048, 682929, 840528, 910572, 1214096, 1365858, 1681056, 1821144, 2428192, 2731716, 3642288, 5463432, 7284576, 10926864, 21853728]

約数ペア:

[(1, 21853728), (2, 10926864), (3, 7284576), (4, 5463432), (6, 3642288), (8, 2731716), (9, 2428192), (12, 1821144), (13, 1681056), (16, 1365858), (18, 1214096), (24, 910572), (26, 840528), (32, 682929), (36, 607048), (39, 560352), (48, 455286), (52, 420264), (72, 303524), (78, 280176), (96, 227643), (104, 210132), (117, 186784), (144, 151762), (156, 140088), (169, 129312), (208, 105066), (234, 93392), (288, 75881), (312, 70044), (338, 64656), (416, 52533), (449, 48672), (468, 46696), (507, 43104), (624, 35022), (676, 32328), (898, 24336), (936, 23348), (1014, 21552), (1248, 17511), (1347, 16224), (1352, 16164), (1521, 14368), (1796, 12168), (1872, 11674), (2028, 10776), (2694, 8112), (2704, 8082), (3042, 7184), (3592, 6084), (3744, 5837), (4041, 5408), (4056, 5388)]