21603118

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{8861}}^1$

素因数の和:8939

約数の個数: 16

約数和(自身を含む): 34455456

約数和(自身を除く): 12852338

約数列:

[1, 2, 23, 46, 53, 106, 1219, 2438, 8861, 17722, 203803, 407606, 469633, 939266, 10801559, 21603118]

約数ペア:

[(1, 21603118), (2, 10801559), (23, 939266), (46, 469633), (53, 407606), (106, 203803), (1219, 17722), (2438, 8861)]