21005146734

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{2225593}}^1$

素因数の和:2225633

約数の個数: 48

約数和(自身を含む): 49728672336

約数和(自身を除く): 28723525602

約数列:

[1, 2, 3, 6, 11, 13, 22, 26, 33, 39, 66, 78, 121, 143, 242, 286, 363, 429, 726, 858, 1573, 3146, 4719, 9438, 2225593, 4451186, 6676779, 13353558, 24481523, 28932709, 48963046, 57865418, 73444569, 86798127, 146889138, 173596254, 269296753, 318259799, 538593506, 636519598, 807890259, 954779397, 1615780518, 1909558794, 3500857789, 7001715578, 10502573367, 21005146734]

約数ペア:

[(1, 21005146734), (2, 10502573367), (3, 7001715578), (6, 3500857789), (11, 1909558794), (13, 1615780518), (22, 954779397), (26, 807890259), (33, 636519598), (39, 538593506), (66, 318259799), (78, 269296753), (121, 173596254), (143, 146889138), (242, 86798127), (286, 73444569), (363, 57865418), (429, 48963046), (726, 28932709), (858, 24481523), (1573, 13353558), (3146, 6676779), (4719, 4451186), (9438, 2225593)]