21002182

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{4219}}^1$

素因数の和:4371

約数の個数: 16

約数和(自身を含む): 33422400

約数和(自身を除く): 12420218

約数列:

[1, 2, 19, 38, 131, 262, 2489, 4219, 4978, 8438, 80161, 160322, 552689, 1105378, 10501091, 21002182]

約数ペア:

[(1, 21002182), (2, 10501091), (19, 1105378), (38, 552689), (131, 160322), (262, 80161), (2489, 8438), (4219, 4978)]