21039564

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19267}}^1$

素因数の和:19294

約数の個数: 48

約数和(自身を含む): 60424448

約数和(自身を除く): 39384884

約数列:

[1, 2, 3, 4, 6, 7, 12, 13, 14, 21, 26, 28, 39, 42, 52, 78, 84, 91, 156, 182, 273, 364, 546, 1092, 19267, 38534, 57801, 77068, 115602, 134869, 231204, 250471, 269738, 404607, 500942, 539476, 751413, 809214, 1001884, 1502826, 1618428, 1753297, 3005652, 3506594, 5259891, 7013188, 10519782, 21039564]

約数ペア:

[(1, 21039564), (2, 10519782), (3, 7013188), (4, 5259891), (6, 3506594), (7, 3005652), (12, 1753297), (13, 1618428), (14, 1502826), (21, 1001884), (26, 809214), (28, 751413), (39, 539476), (42, 500942), (52, 404607), (78, 269738), (84, 250471), (91, 231204), (156, 134869), (182, 115602), (273, 77068), (364, 57801), (546, 38534), (1092, 19267)]