21183206

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{8521}}^1$

素因数の和:8647

約数の個数: 16

約数和(自身を含む): 34974288

約数和(自身を除く): 13791082

約数列:

[1, 2, 11, 22, 113, 226, 1243, 2486, 8521, 17042, 93731, 187462, 962873, 1925746, 10591603, 21183206]

約数ペア:

[(1, 21183206), (2, 10591603), (11, 1925746), (22, 962873), (113, 187462), (226, 93731), (1243, 17042), (2486, 8521)]