21726804967

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{149}}^1\times {\mathrm{193}}^1\times {\mathrm{907}}^1$

素因数の和:1280

約数の個数: 48

約数和(自身を含む): 27109792800

約数和(自身を除く): 5382987833

約数列:

[1, 7, 17, 49, 119, 149, 193, 833, 907, 1043, 1351, 2533, 3281, 6349, 7301, 9457, 15419, 17731, 22967, 28757, 44443, 107933, 124117, 135143, 160769, 175051, 201299, 488869, 755531, 946001, 1225357, 1409093, 2297431, 2975867, 3422083, 6622007, 8577499, 16082017, 20831069, 23954581, 26082599, 112574119, 145817483, 182578193, 443404183, 1278047351, 3103829281, 21726804967]

約数ペア:

[(1, 21726804967), (7, 3103829281), (17, 1278047351), (49, 443404183), (119, 182578193), (149, 145817483), (193, 112574119), (833, 26082599), (907, 23954581), (1043, 20831069), (1351, 16082017), (2533, 8577499), (3281, 6622007), (6349, 3422083), (7301, 2975867), (9457, 2297431), (15419, 1409093), (17731, 1225357), (22967, 946001), (28757, 755531), (44443, 488869), (107933, 201299), (124117, 175051), (135143, 160769)]