21244158

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{90787}}^1$

素因数の和:90808

約数の個数: 24

約数和(自身を含む): 49570248

約数和(自身を除く): 28326090

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 90787, 181574, 272361, 544722, 817083, 1180231, 1634166, 2360462, 3540693, 7081386, 10622079, 21244158]

約数ペア:

[(1, 21244158), (2, 10622079), (3, 7081386), (6, 3540693), (9, 2360462), (13, 1634166), (18, 1180231), (26, 817083), (39, 544722), (78, 272361), (117, 181574), (234, 90787)]