21727311

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{307}}^1\times {\mathrm{761}}^1$

素因数の和:1102

約数の個数: 16

約数和(自身を含む): 30041088

約数和(自身を除く): 8313777

約数列:

[1, 3, 31, 93, 307, 761, 921, 2283, 9517, 23591, 28551, 70773, 233627, 700881, 7242437, 21727311]

約数ペア:

[(1, 21727311), (3, 7242437), (31, 700881), (93, 233627), (307, 70773), (761, 28551), (921, 23591), (2283, 9517)]