21368666

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{15923}}^1$

素因数の和:15997

約数の個数: 16

約数和(自身を含む): 35542368

約数和(自身を除く): 14173702

約数列:

[1, 2, 11, 22, 61, 122, 671, 1342, 15923, 31846, 175153, 350306, 971303, 1942606, 10684333, 21368666]

約数ペア:

[(1, 21368666), (2, 10684333), (11, 1942606), (22, 971303), (61, 350306), (122, 175153), (671, 31846), (1342, 15923)]