21855456

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{293}}^1$

素因数の和:353

約数の個数: 144

約数和(自身を含む): 73198944

約数和(自身を除く): 51343488

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 37, 42, 48, 56, 63, 72, 74, 84, 96, 111, 112, 126, 144, 148, 168, 222, 224, 252, 259, 288, 293, 296, 333, 336, 444, 504, 518, 586, 592, 666, 672, 777, 879, 888, 1008, 1036, 1172, 1184, 1332, 1554, 1758, 1776, 2016, 2051, 2072, 2331, 2344, 2637, 2664, 3108, 3516, 3552, 4102, 4144, 4662, 4688, 5274, 5328, 6153, 6216, 7032, 8204, 8288, 9324, 9376, 10548, 10656, 10841, 12306, 12432, 14064, 16408, 18459, 18648, 21096, 21682, 24612, 24864, 28128, 32523, 32816, 36918, 37296, 42192, 43364, 49224, 65046, 65632, 73836, 74592, 75887, 84384, 86728, 97569, 98448, 130092, 147672, 151774, 173456, 195138, 196896, 227661, 260184, 295344, 303548, 346912, 390276, 455322, 520368, 590688, 607096, 682983, 780552, 910644, 1040736, 1214192, 1365966, 1561104, 1821288, 2428384, 2731932, 3122208, 3642576, 5463864, 7285152, 10927728, 21855456]

約数ペア:

[(1, 21855456), (2, 10927728), (3, 7285152), (4, 5463864), (6, 3642576), (7, 3122208), (8, 2731932), (9, 2428384), (12, 1821288), (14, 1561104), (16, 1365966), (18, 1214192), (21, 1040736), (24, 910644), (28, 780552), (32, 682983), (36, 607096), (37, 590688), (42, 520368), (48, 455322), (56, 390276), (63, 346912), (72, 303548), (74, 295344), (84, 260184), (96, 227661), (111, 196896), (112, 195138), (126, 173456), (144, 151774), (148, 147672), (168, 130092), (222, 98448), (224, 97569), (252, 86728), (259, 84384), (288, 75887), (293, 74592), (296, 73836), (333, 65632), (336, 65046), (444, 49224), (504, 43364), (518, 42192), (586, 37296), (592, 36918), (666, 32816), (672, 32523), (777, 28128), (879, 24864), (888, 24612), (1008, 21682), (1036, 21096), (1172, 18648), (1184, 18459), (1332, 16408), (1554, 14064), (1758, 12432), (1776, 12306), (2016, 10841), (2051, 10656), (2072, 10548), (2331, 9376), (2344, 9324), (2637, 8288), (2664, 8204), (3108, 7032), (3516, 6216), (3552, 6153), (4102, 5328), (4144, 5274), (4662, 4688)]