21223863

素因数分解:

$3^5\times {\mathrm{167}}^1\times {\mathrm{523}}^1$

素因数の和:705

約数の個数: 24

約数和(自身を含む): 32043648

約数和(自身を除く): 10819785

約数列:

[1, 3, 9, 27, 81, 167, 243, 501, 523, 1503, 1569, 4509, 4707, 13527, 14121, 40581, 42363, 87341, 127089, 262023, 786069, 2358207, 7074621, 21223863]

約数ペア:

[(1, 21223863), (3, 7074621), (9, 2358207), (27, 786069), (81, 262023), (167, 127089), (243, 87341), (501, 42363), (523, 40581), (1503, 14121), (1569, 13527), (4509, 4707)]