21053026

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{7013}}^1$

素因数の和:7113

約数の個数: 16

約数和(自身を含む): 33667200

約数和(自身を除く): 12614174

約数列:

[1, 2, 19, 38, 79, 158, 1501, 3002, 7013, 14026, 133247, 266494, 554027, 1108054, 10526513, 21053026]

約数ペア:

[(1, 21053026), (2, 10526513), (19, 1108054), (38, 554027), (79, 266494), (158, 133247), (1501, 14026), (3002, 7013)]