21019106

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{9227}}^1$

素因数の和:9313

約数の個数: 16

約数和(自身を含む): 33885216

約数和(自身を除く): 12866110

約数列:

[1, 2, 17, 34, 67, 134, 1139, 2278, 9227, 18454, 156859, 313718, 618209, 1236418, 10509553, 21019106]

約数ペア:

[(1, 21019106), (2, 10509553), (17, 1236418), (34, 618209), (67, 313718), (134, 156859), (1139, 18454), (2278, 9227)]