21542262

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{1559}}^1$

素因数の和:1625

約数の個数: 48

約数和(自身を含む): 51217920

約数和(自身を除く): 29675658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 47, 49, 94, 98, 141, 147, 282, 294, 329, 658, 987, 1559, 1974, 2303, 3118, 4606, 4677, 6909, 9354, 10913, 13818, 21826, 32739, 65478, 73273, 76391, 146546, 152782, 219819, 229173, 439638, 458346, 512911, 1025822, 1538733, 3077466, 3590377, 7180754, 10771131, 21542262]

約数ペア:

[(1, 21542262), (2, 10771131), (3, 7180754), (6, 3590377), (7, 3077466), (14, 1538733), (21, 1025822), (42, 512911), (47, 458346), (49, 439638), (94, 229173), (98, 219819), (141, 152782), (147, 146546), (282, 76391), (294, 73273), (329, 65478), (658, 32739), (987, 21826), (1559, 13818), (1974, 10913), (2303, 9354), (3118, 6909), (4606, 4677)]