21609744

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{34631}}^1$

素因数の和:34655

約数の個数: 40

約数和(自身を含む): 60121152

約数和(自身を除く): 38511408

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 208, 312, 624, 34631, 69262, 103893, 138524, 207786, 277048, 415572, 450203, 554096, 831144, 900406, 1350609, 1662288, 1800812, 2701218, 3601624, 5402436, 7203248, 10804872, 21609744]

約数ペア:

[(1, 21609744), (2, 10804872), (3, 7203248), (4, 5402436), (6, 3601624), (8, 2701218), (12, 1800812), (13, 1662288), (16, 1350609), (24, 900406), (26, 831144), (39, 554096), (48, 450203), (52, 415572), (78, 277048), (104, 207786), (156, 138524), (208, 103893), (312, 69262), (624, 34631)]