21242254

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{31147}}^1$

素因数の和:31191

約数の個数: 16

約数和(自身を含む): 35882496

約数和(自身を除く): 14640242

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 31147, 62294, 342617, 685234, 965557, 1931114, 10621127, 21242254]

約数ペア:

[(1, 21242254), (2, 10621127), (11, 1931114), (22, 965557), (31, 685234), (62, 342617), (341, 62294), (682, 31147)]