21314875

素因数分解:

$5^3\times {\mathrm{41}}^1\times {\mathrm{4159}}^1$

素因数の和:4215

約数の個数: 16

約数和(自身を含む): 27256320

約数和(自身を除く): 5941445

約数列:

[1, 5, 25, 41, 125, 205, 1025, 4159, 5125, 20795, 103975, 170519, 519875, 852595, 4262975, 21314875]

約数ペア:

[(1, 21314875), (5, 4262975), (25, 852595), (41, 519875), (125, 170519), (205, 103975), (1025, 20795), (4159, 5125)]