21611589

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{1723}}^1$

素因数の和:1876

約数の個数: 16

約数和(自身を含む): 29873472

約数和(自身を除く): 8261883

約数列:

[1, 3, 37, 111, 113, 339, 1723, 4181, 5169, 12543, 63751, 191253, 194699, 584097, 7203863, 21611589]

約数ペア:

[(1, 21611589), (3, 7203863), (37, 584097), (111, 194699), (113, 191253), (339, 63751), (1723, 12543), (4181, 5169)]