21868658

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{4327}}^1$

素因数の和:4374

約数の個数: 24

約数和(自身を含む): 39575232

約数和(自身を除く): 17706574

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 4327, 5054, 8654, 30289, 60578, 82213, 164426, 575491, 1150982, 1562047, 3124094, 10934329, 21868658]

約数ペア:

[(1, 21868658), (2, 10934329), (7, 3124094), (14, 1562047), (19, 1150982), (38, 575491), (133, 164426), (266, 82213), (361, 60578), (722, 30289), (2527, 8654), (4327, 5054)]