21798921

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{5717}}^1$

素因数の和:5792

約数の個数: 16

約数和(自身を含む): 30739968

約数和(自身を除く): 8941047

約数列:

[1, 3, 31, 41, 93, 123, 1271, 3813, 5717, 17151, 177227, 234397, 531681, 703191, 7266307, 21798921]

約数ペア:

[(1, 21798921), (3, 7266307), (31, 703191), (41, 531681), (93, 234397), (123, 177227), (1271, 17151), (3813, 5717)]