21298074

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{349}}^1\times {\mathrm{1453}}^1$

素因数の和:1814

約数の個数: 32

約数和(自身を含む): 48854400

約数和(自身を除く): 27556326

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 349, 698, 1047, 1453, 2094, 2443, 2906, 4359, 4886, 7329, 8718, 10171, 14658, 20342, 30513, 61026, 507097, 1014194, 1521291, 3042582, 3549679, 7099358, 10649037, 21298074]

約数ペア:

[(1, 21298074), (2, 10649037), (3, 7099358), (6, 3549679), (7, 3042582), (14, 1521291), (21, 1014194), (42, 507097), (349, 61026), (698, 30513), (1047, 20342), (1453, 14658), (2094, 10171), (2443, 8718), (2906, 7329), (4359, 4886)]