21841235

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{4603}}^1$

素因数の和:4694

約数の個数: 16

約数和(自身を含む): 28618464

約数和(自身を除く): 6777229

約数列:

[1, 5, 13, 65, 73, 365, 949, 4603, 4745, 23015, 59839, 299195, 336019, 1680095, 4368247, 21841235]

約数ペア:

[(1, 21841235), (5, 4368247), (13, 1680095), (65, 336019), (73, 299195), (365, 59839), (949, 23015), (4603, 4745)]