21903670516

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{452443}}^1$

素因数の和:452493

約数の個数: 72

約数和(自身を含む): 50547043680

約数和(自身を除く): 28643373164

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 637, 931, 988, 1274, 1729, 1862, 2548, 3458, 3724, 6916, 12103, 24206, 48412, 452443, 904886, 1809772, 3167101, 5881759, 6334202, 8596417, 11763518, 12668404, 17192834, 22169707, 23527036, 34385668, 41172313, 44339414, 60174919, 82344626, 88678828, 111753421, 120349838, 164689252, 223506842, 240699676, 288206191, 421224433, 447013684, 576412382, 782273947, 842448866, 1152824764, 1564547894, 1684897732, 3129095788, 5475917629, 10951835258, 21903670516]

約数ペア:

[(1, 21903670516), (2, 10951835258), (4, 5475917629), (7, 3129095788), (13, 1684897732), (14, 1564547894), (19, 1152824764), (26, 842448866), (28, 782273947), (38, 576412382), (49, 447013684), (52, 421224433), (76, 288206191), (91, 240699676), (98, 223506842), (133, 164689252), (182, 120349838), (196, 111753421), (247, 88678828), (266, 82344626), (364, 60174919), (494, 44339414), (532, 41172313), (637, 34385668), (931, 23527036), (988, 22169707), (1274, 17192834), (1729, 12668404), (1862, 11763518), (2548, 8596417), (3458, 6334202), (3724, 5881759), (6916, 3167101), (12103, 1809772), (24206, 904886), (48412, 452443)]