21990147226

素因数分解:

$2^1\times {\mathrm{79}}^1\times {\mathrm{557}}^1\times {\mathrm{249871}}^1$

素因数の和:250509

約数の個数: 16

約数和(自身を含む): 33462858240

約数和(自身を除く): 11472711014

約数列:

[1, 2, 79, 158, 557, 1114, 44003, 88006, 249871, 499742, 19739809, 39479618, 139178147, 278356294, 10995073613, 21990147226]

約数ペア:

[(1, 21990147226), (2, 10995073613), (79, 278356294), (158, 139178147), (557, 39479618), (1114, 19739809), (44003, 499742), (88006, 249871)]