21037814

素因数分解:

$2^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{11471}}^1$

素因数の和:11611

約数の個数: 16

約数和(自身を含む): 36343296

約数和(自身を除く): 15305482

約数列:

[1, 2, 7, 14, 131, 262, 917, 1834, 11471, 22942, 80297, 160594, 1502701, 3005402, 10518907, 21037814]

約数ペア:

[(1, 21037814), (2, 10518907), (7, 3005402), (14, 1502701), (131, 160594), (262, 80297), (917, 22942), (1834, 11471)]