221961938

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{487}}^1\times {\mathrm{20717}}^1$

素因数の和:21217

約数の個数: 16

約数和(自身を含む): 363973824

約数和(自身を除く): 142011886

約数列:

[1, 2, 11, 22, 487, 974, 5357, 10714, 20717, 41434, 227887, 455774, 10089179, 20178358, 110980969, 221961938]

約数ペア:

[(1, 221961938), (2, 110980969), (11, 20178358), (22, 10089179), (487, 455774), (974, 227887), (5357, 41434), (10714, 20717)]