21183456

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{1087}}^1$

素因数の和:1136

約数の個数: 96

約数和(自身を含む): 65802240

約数和(自身を除く): 44618784

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 29, 32, 42, 48, 56, 58, 84, 87, 96, 112, 116, 168, 174, 203, 224, 232, 336, 348, 406, 464, 609, 672, 696, 812, 928, 1087, 1218, 1392, 1624, 2174, 2436, 2784, 3248, 3261, 4348, 4872, 6496, 6522, 7609, 8696, 9744, 13044, 15218, 17392, 19488, 22827, 26088, 30436, 31523, 34784, 45654, 52176, 60872, 63046, 91308, 94569, 104352, 121744, 126092, 182616, 189138, 220661, 243488, 252184, 365232, 378276, 441322, 504368, 661983, 730464, 756552, 882644, 1008736, 1323966, 1513104, 1765288, 2647932, 3026208, 3530576, 5295864, 7061152, 10591728, 21183456]

約数ペア:

[(1, 21183456), (2, 10591728), (3, 7061152), (4, 5295864), (6, 3530576), (7, 3026208), (8, 2647932), (12, 1765288), (14, 1513104), (16, 1323966), (21, 1008736), (24, 882644), (28, 756552), (29, 730464), (32, 661983), (42, 504368), (48, 441322), (56, 378276), (58, 365232), (84, 252184), (87, 243488), (96, 220661), (112, 189138), (116, 182616), (168, 126092), (174, 121744), (203, 104352), (224, 94569), (232, 91308), (336, 63046), (348, 60872), (406, 52176), (464, 45654), (609, 34784), (672, 31523), (696, 30436), (812, 26088), (928, 22827), (1087, 19488), (1218, 17392), (1392, 15218), (1624, 13044), (2174, 9744), (2436, 8696), (2784, 7609), (3248, 6522), (3261, 6496), (4348, 4872)]