21497574

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{73121}}^1$

素因数の和:73140

約数の個数: 24

約数和(自身を含む): 50015448

約数和(自身を除く): 28517874

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294, 73121, 146242, 219363, 438726, 511847, 1023694, 1535541, 3071082, 3582929, 7165858, 10748787, 21497574]

約数ペア:

[(1, 21497574), (2, 10748787), (3, 7165858), (6, 3582929), (7, 3071082), (14, 1535541), (21, 1023694), (42, 511847), (49, 438726), (98, 219363), (147, 146242), (294, 73121)]