21686604032

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{193}}^1\times {\mathrm{14159}}^1$

素因数の和:14399

約数の個数: 72

約数和(自身を含む): 44919598080

約数和(自身を除く): 23232994048

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 193, 248, 256, 386, 496, 772, 992, 1544, 1984, 3088, 3968, 5983, 6176, 7936, 11966, 12352, 14159, 23932, 24704, 28318, 47864, 49408, 56636, 95728, 113272, 191456, 226544, 382912, 438929, 453088, 765824, 877858, 906176, 1531648, 1755716, 1812352, 2732687, 3511432, 3624704, 5465374, 7022864, 10930748, 14045728, 21861496, 28091456, 43722992, 56182912, 84713297, 87445984, 112365824, 169426594, 174891968, 338853188, 349783936, 677706376, 699567872, 1355412752, 2710825504, 5421651008, 10843302016, 21686604032]

約数ペア:

[(1, 21686604032), (2, 10843302016), (4, 5421651008), (8, 2710825504), (16, 1355412752), (31, 699567872), (32, 677706376), (62, 349783936), (64, 338853188), (124, 174891968), (128, 169426594), (193, 112365824), (248, 87445984), (256, 84713297), (386, 56182912), (496, 43722992), (772, 28091456), (992, 21861496), (1544, 14045728), (1984, 10930748), (3088, 7022864), (3968, 5465374), (5983, 3624704), (6176, 3511432), (7936, 2732687), (11966, 1812352), (12352, 1755716), (14159, 1531648), (23932, 906176), (24704, 877858), (28318, 765824), (47864, 453088), (49408, 438929), (56636, 382912), (95728, 226544), (113272, 191456)]