21856526

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{15679}}^1$

素因数の和:15739

約数の個数: 16

約数和(自身を含む): 35562240

約数和(自身を除く): 13705714

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 15679, 31358, 266543, 533086, 642839, 1285678, 10928263, 21856526]

約数ペア:

[(1, 21856526), (2, 10928263), (17, 1285678), (34, 642839), (41, 533086), (82, 266543), (697, 31358), (1394, 15679)]