21039564100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^2\times {\mathrm{47}}^1\times {\mathrm{2663}}^1$

素因数の和:2806

約数の個数: 108

約数和(自身を含む): 47810189952

約数和(自身を除く): 26770625852

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 47, 50, 82, 94, 100, 164, 188, 205, 235, 410, 470, 820, 940, 1025, 1175, 1681, 1927, 2050, 2350, 2663, 3362, 3854, 4100, 4700, 5326, 6724, 7708, 8405, 9635, 10652, 13315, 16810, 19270, 26630, 33620, 38540, 42025, 48175, 53260, 66575, 79007, 84050, 96350, 109183, 125161, 133150, 158014, 168100, 192700, 218366, 250322, 266300, 316028, 395035, 436732, 500644, 545915, 625805, 790070, 1091830, 1251610, 1580140, 1975175, 2183660, 2503220, 2729575, 3129025, 3950350, 4476503, 5131601, 5459150, 6258050, 7900700, 8953006, 10263202, 10918300, 12516100, 17906012, 20526404, 22382515, 25658005, 44765030, 51316010, 89530060, 102632020, 111912575, 128290025, 210395641, 223825150, 256580050, 420791282, 447650300, 513160100, 841582564, 1051978205, 2103956410, 4207912820, 5259891025, 10519782050, 21039564100]

約数ペア:

[(1, 21039564100), (2, 10519782050), (4, 5259891025), (5, 4207912820), (10, 2103956410), (20, 1051978205), (25, 841582564), (41, 513160100), (47, 447650300), (50, 420791282), (82, 256580050), (94, 223825150), (100, 210395641), (164, 128290025), (188, 111912575), (205, 102632020), (235, 89530060), (410, 51316010), (470, 44765030), (820, 25658005), (940, 22382515), (1025, 20526404), (1175, 17906012), (1681, 12516100), (1927, 10918300), (2050, 10263202), (2350, 8953006), (2663, 7900700), (3362, 6258050), (3854, 5459150), (4100, 5131601), (4700, 4476503), (5326, 3950350), (6724, 3129025), (7708, 2729575), (8405, 2503220), (9635, 2183660), (10652, 1975175), (13315, 1580140), (16810, 1251610), (19270, 1091830), (26630, 790070), (33620, 625805), (38540, 545915), (42025, 500644), (48175, 436732), (53260, 395035), (66575, 316028), (79007, 266300), (84050, 250322), (96350, 218366), (109183, 192700), (125161, 168100), (133150, 158014)]