21076311

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{13331}}^1$

素因数の和:13382

約数の個数: 16

約数和(自身を含む): 30716928

約数和(自身を除く): 9640617

約数列:

[1, 3, 17, 31, 51, 93, 527, 1581, 13331, 39993, 226627, 413261, 679881, 1239783, 7025437, 21076311]

約数ペア:

[(1, 21076311), (3, 7025437), (17, 1239783), (31, 679881), (51, 413261), (93, 226627), (527, 39993), (1581, 13331)]