21410979

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{109}}^1\times {\mathrm{1597}}^1$

素因数の和:1750

約数の個数: 16

約数和(自身を含む): 29531040

約数和(自身を除く): 8120061

約数列:

[1, 3, 41, 109, 123, 327, 1597, 4469, 4791, 13407, 65477, 174073, 196431, 522219, 7136993, 21410979]

約数ペア:

[(1, 21410979), (3, 7136993), (41, 522219), (109, 196431), (123, 174073), (327, 65477), (1597, 13407), (4469, 4791)]