21000545286

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{131617}}^1$

素因数の和:131789

約数の個数: 64

約数和(自身を含む): 50035898880

約数和(自身を除く): 29035353594

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 87, 131, 174, 203, 262, 393, 406, 609, 786, 917, 1218, 1834, 2751, 3799, 5502, 7598, 11397, 22794, 26593, 53186, 79779, 131617, 159558, 263234, 394851, 789702, 921319, 1842638, 2763957, 3816893, 5527914, 7633786, 11450679, 17241827, 22901358, 26718251, 34483654, 51725481, 53436502, 80154753, 103450962, 120692789, 160309506, 241385578, 362078367, 500012983, 724156734, 1000025966, 1500038949, 3000077898, 3500090881, 7000181762, 10500272643, 21000545286]

約数ペア:

[(1, 21000545286), (2, 10500272643), (3, 7000181762), (6, 3500090881), (7, 3000077898), (14, 1500038949), (21, 1000025966), (29, 724156734), (42, 500012983), (58, 362078367), (87, 241385578), (131, 160309506), (174, 120692789), (203, 103450962), (262, 80154753), (393, 53436502), (406, 51725481), (609, 34483654), (786, 26718251), (917, 22901358), (1218, 17241827), (1834, 11450679), (2751, 7633786), (3799, 5527914), (5502, 3816893), (7598, 2763957), (11397, 1842638), (22794, 921319), (26593, 789702), (53186, 394851), (79779, 263234), (131617, 159558)]