21048924

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7937}}^1$

素因数の和:7974

約数の個数: 48

約数和(自身を含む): 56010528

約数和(自身を除く): 34961604

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 442, 663, 884, 1326, 2652, 7937, 15874, 23811, 31748, 47622, 95244, 103181, 134929, 206362, 269858, 309543, 404787, 412724, 539716, 619086, 809574, 1238172, 1619148, 1754077, 3508154, 5262231, 7016308, 10524462, 21048924]

約数ペア:

[(1, 21048924), (2, 10524462), (3, 7016308), (4, 5262231), (6, 3508154), (12, 1754077), (13, 1619148), (17, 1238172), (26, 809574), (34, 619086), (39, 539716), (51, 412724), (52, 404787), (68, 309543), (78, 269858), (102, 206362), (156, 134929), (204, 103181), (221, 95244), (442, 47622), (663, 31748), (884, 23811), (1326, 15874), (2652, 7937)]