21308238

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8053}}^1$

素因数の和:8078

約数の個数: 48

約数和(自身を含む): 55089360

約数和(自身を除く): 33781122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8053, 16106, 24159, 48318, 56371, 72477, 112742, 144954, 169113, 217431, 338226, 394597, 434862, 507339, 789194, 1014678, 1183791, 1522017, 2367582, 3044034, 3551373, 7102746, 10654119, 21308238]

約数ペア:

[(1, 21308238), (2, 10654119), (3, 7102746), (6, 3551373), (7, 3044034), (9, 2367582), (14, 1522017), (18, 1183791), (21, 1014678), (27, 789194), (42, 507339), (49, 434862), (54, 394597), (63, 338226), (98, 217431), (126, 169113), (147, 144954), (189, 112742), (294, 72477), (378, 56371), (441, 48318), (882, 24159), (1323, 16106), (2646, 8053)]