21183214

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{313}}^1$

素因数の和:484

約数の個数: 32

約数和(自身を含む): 36398880

約数和(自身を除く): 15215666

約数列:

[1, 2, 13, 19, 26, 38, 137, 247, 274, 313, 494, 626, 1781, 2603, 3562, 4069, 5206, 5947, 8138, 11894, 33839, 42881, 67678, 77311, 85762, 154622, 557453, 814739, 1114906, 1629478, 10591607, 21183214]

約数ペア:

[(1, 21183214), (2, 10591607), (13, 1629478), (19, 1114906), (26, 814739), (38, 557453), (137, 154622), (247, 85762), (274, 77311), (313, 67678), (494, 42881), (626, 33839), (1781, 11894), (2603, 8138), (3562, 5947), (4069, 5206)]