21312346

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{491}}^1\times {\mathrm{1973}}^1$

素因数の和:2477

約数の個数: 16

約数和(自身を含む): 34963488

約数和(自身を除く): 13651142

約数列:

[1, 2, 11, 22, 491, 982, 1973, 3946, 5401, 10802, 21703, 43406, 968743, 1937486, 10656173, 21312346]

約数ペア:

[(1, 21312346), (2, 10656173), (11, 1937486), (22, 968743), (491, 43406), (982, 21703), (1973, 10802), (3946, 5401)]