2171778

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{89}}^1$

素因数の和:191

約数の個数: 48

約数和(自身を含む): 5171040

約数和(自身を除く): 2999262

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 83, 89, 98, 147, 166, 178, 249, 267, 294, 498, 534, 581, 623, 1162, 1246, 1743, 1869, 3486, 3738, 4067, 4361, 7387, 8134, 8722, 12201, 13083, 14774, 22161, 24402, 26166, 44322, 51709, 103418, 155127, 310254, 361963, 723926, 1085889, 2171778]

約数ペア:

[(1, 2171778), (2, 1085889), (3, 723926), (6, 361963), (7, 310254), (14, 155127), (21, 103418), (42, 51709), (49, 44322), (83, 26166), (89, 24402), (98, 22161), (147, 14774), (166, 13083), (178, 12201), (249, 8722), (267, 8134), (294, 7387), (498, 4361), (534, 4067), (581, 3738), (623, 3486), (1162, 1869), (1246, 1743)]