21100377

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{113}}^1\times {\mathrm{929}}^1$

素因数の和:1112

約数の個数: 16

約数和(自身を含む): 28837440

約数和(自身を除く): 7737063

約数列:

[1, 3, 67, 113, 201, 339, 929, 2787, 7571, 22713, 62243, 104977, 186729, 314931, 7033459, 21100377]

約数ペア:

[(1, 21100377), (3, 7033459), (67, 314931), (113, 186729), (201, 104977), (339, 62243), (929, 22713), (2787, 7571)]