21567284

素因数分解:

$2^2\times {\mathrm{23}}^1\times {\mathrm{359}}^1\times {\mathrm{653}}^1$

素因数の和:1039

約数の個数: 24

約数和(自身を含む): 39553920

約数和(自身を除く): 17986636

約数列:

[1, 2, 4, 23, 46, 92, 359, 653, 718, 1306, 1436, 2612, 8257, 15019, 16514, 30038, 33028, 60076, 234427, 468854, 937708, 5391821, 10783642, 21567284]

約数ペア:

[(1, 21567284), (2, 10783642), (4, 5391821), (23, 937708), (46, 468854), (92, 234427), (359, 60076), (653, 33028), (718, 30038), (1306, 16514), (1436, 15019), (2612, 8257)]