21297826

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{14449}}^1$

素因数の和:14529

約数の個数: 16

約数和(自身を含む): 35373600

約数和(自身を除く): 14075774

約数列:

[1, 2, 11, 22, 67, 134, 737, 1474, 14449, 28898, 158939, 317878, 968083, 1936166, 10648913, 21297826]

約数ペア:

[(1, 21297826), (2, 10648913), (11, 1936166), (22, 968083), (67, 317878), (134, 158939), (737, 28898), (1474, 14449)]